Home / 1,005,559.32-1,387,472.90-564,048.12

Finding the Fourth Proportional to 1,005,559.32, 1,387,472.90 and 564,048.12

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Solution

The fourth proportional to 1,005,559.32, 1,387,472.90 and 564,048.12 is: 778,274.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,559.32 : 1,387,472.90 = 564,048.12 : x
  2. Step 2: Convert to fraction form
    1,005,559.32/1,387,472.90 = 564,048.12/x
  3. Step 3: Cross multiply
    1,005,559.32x = 1,387,472.90 × 564,048.12
  4. Step 4: Simplify right side
    1,005,559.32x = 782,601,480,795.95
  5. Step 5: Solve for x
    x = 782,601,480,795.95/1,005,559.32
  6. Step 6: Final answer
    x = 778,274.80

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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.