Home / 1,344,393.40-2,016,006.90-445,487.80

Finding the Fourth Proportional to 1,344,393.40, 2,016,006.90 and 445,487.80

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Solution

The fourth proportional to 1,344,393.40, 2,016,006.90 and 445,487.80 is: 668,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,393.40 : 2,016,006.90 = 445,487.80 : x
  2. Step 2: Convert to fraction form
    1,344,393.40/2,016,006.90 = 445,487.80/x
  3. Step 3: Cross multiply
    1,344,393.40x = 2,016,006.90 × 445,487.80
  4. Step 4: Simplify right side
    1,344,393.40x = 898,106,478,665.82
  5. Step 5: Solve for x
    x = 898,106,478,665.82/1,344,393.40
  6. Step 6: Final answer
    x = 668,038.45

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Double scale
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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.