Home / 1,005,558.32-1,387,471.52-564,047.12

Finding the Fourth Proportional to 1,005,558.32, 1,387,471.52 and 564,047.12

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Solution

The fourth proportional to 1,005,558.32, 1,387,471.52 and 564,047.12 is: 778,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,558.32 : 1,387,471.52 = 564,047.12 : x
  2. Step 2: Convert to fraction form
    1,005,558.32/1,387,471.52 = 564,047.12/x
  3. Step 3: Cross multiply
    1,005,558.32x = 1,387,471.52 × 564,047.12
  4. Step 4: Simplify right side
    1,005,558.32x = 782,599,314,938.02
  5. Step 5: Solve for x
    x = 782,599,314,938.02/1,005,558.32
  6. Step 6: Final answer
    x = 778,273.42

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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.