Home / 915,006.56-1,262,406.42-552,292.64

Finding the Fourth Proportional to 915,006.56, 1,262,406.42 and 552,292.64

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Solution

The fourth proportional to 915,006.56, 1,262,406.42 and 552,292.64 is: 761,981.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,006.56 : 1,262,406.42 = 552,292.64 : x
  2. Step 2: Convert to fraction form
    915,006.56/1,262,406.42 = 552,292.64/x
  3. Step 3: Cross multiply
    915,006.56x = 1,262,406.42 × 552,292.64
  4. Step 4: Simplify right side
    915,006.56x = 697,217,774,454.75
  5. Step 5: Solve for x
    x = 697,217,774,454.75/915,006.56
  6. Step 6: Final answer
    x = 761,981.18

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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.