Home / 1,005,374.07-1,387,381.08-552,661.83

Finding the Fourth Proportional to 1,005,374.07, 1,387,381.08 and 552,661.83

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Solution

The fourth proportional to 1,005,374.07, 1,387,381.08 and 552,661.83 is: 762,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,374.07 : 1,387,381.08 = 552,661.83 : x
  2. Step 2: Convert to fraction form
    1,005,374.07/1,387,381.08 = 552,661.83/x
  3. Step 3: Cross multiply
    1,005,374.07x = 1,387,381.08 × 552,661.83
  4. Step 4: Simplify right side
    1,005,374.07x = 766,752,566,580.18
  5. Step 5: Solve for x
    x = 766,752,566,580.18/1,005,374.07
  6. Step 6: Final answer
    x = 762,654.01

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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.