Home / 1,005,353.84-1,387,353.12-552,641.60

Finding the Fourth Proportional to 1,005,353.84, 1,387,353.12 and 552,641.60

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Solution

The fourth proportional to 1,005,353.84, 1,387,353.12 and 552,641.60 is: 762,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,353.84 : 1,387,353.12 = 552,641.60 : x
  2. Step 2: Convert to fraction form
    1,005,353.84/1,387,353.12 = 552,641.60/x
  3. Step 3: Cross multiply
    1,005,353.84x = 1,387,353.12 × 552,641.60
  4. Step 4: Simplify right side
    1,005,353.84x = 766,709,048,001.79
  5. Step 5: Solve for x
    x = 766,709,048,001.79/1,005,353.84
  6. Step 6: Final answer
    x = 762,626.07

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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.