Home / 1,005,693.20-1,387,852.08-552,983.12

Finding the Fourth Proportional to 1,005,693.20, 1,387,852.08 and 552,983.12

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Solution

The fourth proportional to 1,005,693.20, 1,387,852.08 and 552,983.12 is: 763,114.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,693.20 : 1,387,852.08 = 552,983.12 : x
  2. Step 2: Convert to fraction form
    1,005,693.20/1,387,852.08 = 552,983.12/x
  3. Step 3: Cross multiply
    1,005,693.20x = 1,387,852.08 × 552,983.12
  4. Step 4: Simplify right side
    1,005,693.20x = 767,458,773,296.89
  5. Step 5: Solve for x
    x = 767,458,773,296.89/1,005,693.20
  6. Step 6: Final answer
    x = 763,114.21

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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.