Home / 1,125,840.90-1,688,761.35-564,672.90

Finding the Fourth Proportional to 1,125,840.90, 1,688,761.35 and 564,672.90

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Solution

The fourth proportional to 1,125,840.90, 1,688,761.35 and 564,672.90 is: 847,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,840.90 : 1,688,761.35 = 564,672.90 : x
  2. Step 2: Convert to fraction form
    1,125,840.90/1,688,761.35 = 564,672.90/x
  3. Step 3: Cross multiply
    1,125,840.90x = 1,688,761.35 × 564,672.90
  4. Step 4: Simplify right side
    1,125,840.90x = 953,597,768,912.42
  5. Step 5: Solve for x
    x = 953,597,768,912.42/1,125,840.90
  6. Step 6: Final answer
    x = 847,009.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.