Home / 1,001,619.30-1,502,415.57-243,458.70

Finding the Fourth Proportional to 1,001,619.30, 1,502,415.57 and 243,458.70

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Solution

The fourth proportional to 1,001,619.30, 1,502,415.57 and 243,458.70 is: 365,184.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,619.30 : 1,502,415.57 = 243,458.70 : x
  2. Step 2: Convert to fraction form
    1,001,619.30/1,502,415.57 = 243,458.70/x
  3. Step 3: Cross multiply
    1,001,619.30x = 1,502,415.57 × 243,458.70
  4. Step 4: Simplify right side
    1,001,619.30x = 365,776,136,810.87
  5. Step 5: Solve for x
    x = 365,776,136,810.87/1,001,619.30
  6. Step 6: Final answer
    x = 365,184.79

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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.