Home / 1,005,355.32-1,387,355.22-552,643.08

Finding the Fourth Proportional to 1,005,355.32, 1,387,355.22 and 552,643.08

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Solution

The fourth proportional to 1,005,355.32, 1,387,355.22 and 552,643.08 is: 762,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,355.32 : 1,387,355.22 = 552,643.08 : x
  2. Step 2: Convert to fraction form
    1,005,355.32/1,387,355.22 = 552,643.08/x
  3. Step 3: Cross multiply
    1,005,355.32x = 1,387,355.22 × 552,643.08
  4. Step 4: Simplify right side
    1,005,355.32x = 766,712,261,834.88
  5. Step 5: Solve for x
    x = 766,712,261,834.88/1,005,355.32
  6. Step 6: Final answer
    x = 762,628.14

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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.