Home / 1,201,397.47-1,801,431.90-913,312.16

Finding the Fourth Proportional to 1,201,397.47, 1,801,431.90 and 913,312.16

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Solution

The fourth proportional to 1,201,397.47, 1,801,431.90 and 913,312.16 is: 1,369,463.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,397.47 : 1,801,431.90 = 913,312.16 : x
  2. Step 2: Convert to fraction form
    1,201,397.47/1,801,431.90 = 913,312.16/x
  3. Step 3: Cross multiply
    1,201,397.47x = 1,801,431.90 × 913,312.16
  4. Step 4: Simplify right side
    1,201,397.47x = 1,645,269,657,430.11
  5. Step 5: Solve for x
    x = 1,645,269,657,430.11/1,201,397.47
  6. Step 6: Final answer
    x = 1,369,463.23

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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.