Home / 1,187,355.60-1,638,644.04-734,792.40

Finding the Fourth Proportional to 1,187,355.60, 1,638,644.04 and 734,792.40

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Solution

The fourth proportional to 1,187,355.60, 1,638,644.04 and 734,792.40 is: 1,014,071.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,355.60 : 1,638,644.04 = 734,792.40 : x
  2. Step 2: Convert to fraction form
    1,187,355.60/1,638,644.04 = 734,792.40/x
  3. Step 3: Cross multiply
    1,187,355.60x = 1,638,644.04 × 734,792.40
  4. Step 4: Simplify right side
    1,187,355.60x = 1,204,063,186,897.30
  5. Step 5: Solve for x
    x = 1,204,063,186,897.30/1,187,355.60
  6. Step 6: Final answer
    x = 1,014,071.26

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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.