Home / 1,490,000.70-2,235,001.05-544,050.30

Finding the Fourth Proportional to 1,490,000.70, 2,235,001.05 and 544,050.30

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Solution

The fourth proportional to 1,490,000.70, 2,235,001.05 and 544,050.30 is: 816,075.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,000.70 : 2,235,001.05 = 544,050.30 : x
  2. Step 2: Convert to fraction form
    1,490,000.70/2,235,001.05 = 544,050.30/x
  3. Step 3: Cross multiply
    1,490,000.70x = 2,235,001.05 × 544,050.30
  4. Step 4: Simplify right side
    1,490,000.70x = 1,215,952,991,752.82
  5. Step 5: Solve for x
    x = 1,215,952,991,752.82/1,490,000.70
  6. Step 6: Final answer
    x = 816,075.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.