Home / 1,225,501.50-1,691,192.07-688,957.50

Finding the Fourth Proportional to 1,225,501.50, 1,691,192.07 and 688,957.50

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Solution

The fourth proportional to 1,225,501.50, 1,691,192.07 and 688,957.50 is: 950,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,501.50 : 1,691,192.07 = 688,957.50 : x
  2. Step 2: Convert to fraction form
    1,225,501.50/1,691,192.07 = 688,957.50/x
  3. Step 3: Cross multiply
    1,225,501.50x = 1,691,192.07 × 688,957.50
  4. Step 4: Simplify right side
    1,225,501.50x = 1,165,159,460,567.03
  5. Step 5: Solve for x
    x = 1,165,159,460,567.03/1,225,501.50
  6. Step 6: Final answer
    x = 950,761.35

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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.