Home / 1,005,378.32-1,387,386.96-552,666.08

Finding the Fourth Proportional to 1,005,378.32, 1,387,386.96 and 552,666.08

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Solution

The fourth proportional to 1,005,378.32, 1,387,386.96 and 552,666.08 is: 762,659.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,378.32 : 1,387,386.96 = 552,666.08 : x
  2. Step 2: Convert to fraction form
    1,005,378.32/1,387,386.96 = 552,666.08/x
  3. Step 3: Cross multiply
    1,005,378.32x = 1,387,386.96 × 552,666.08
  4. Step 4: Simplify right side
    1,005,378.32x = 766,761,712,626.32
  5. Step 5: Solve for x
    x = 766,761,712,626.32/1,005,378.32
  6. Step 6: Final answer
    x = 762,659.88

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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.