Home / 1,313,541.25-1,812,681.89-732,763.91

Finding the Fourth Proportional to 1,313,541.25, 1,812,681.89 and 732,763.91

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Solution

The fourth proportional to 1,313,541.25, 1,812,681.89 and 732,763.91 is: 1,011,211.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,541.25 : 1,812,681.89 = 732,763.91 : x
  2. Step 2: Convert to fraction form
    1,313,541.25/1,812,681.89 = 732,763.91/x
  3. Step 3: Cross multiply
    1,313,541.25x = 1,812,681.89 × 732,763.91
  4. Step 4: Simplify right side
    1,313,541.25x = 1,328,267,876,227.67
  5. Step 5: Solve for x
    x = 1,328,267,876,227.67/1,313,541.25
  6. Step 6: Final answer
    x = 1,011,211.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.