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Finding the Fourth Proportional to 1,566,245.60, 2,344,702.80 and 934,834.40

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Solution

The fourth proportional to 1,566,245.60, 2,344,702.80 and 934,834.40 is: 1,399,466.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,245.60 : 2,344,702.80 = 934,834.40 : x
  2. Step 2: Convert to fraction form
    1,566,245.60/2,344,702.80 = 934,834.40/x
  3. Step 3: Cross multiply
    1,566,245.60x = 2,344,702.80 × 934,834.40
  4. Step 4: Simplify right side
    1,566,245.60x = 2,191,908,835,216.32
  5. Step 5: Solve for x
    x = 2,191,908,835,216.32/1,566,245.60
  6. Step 6: Final answer
    x = 1,399,466.87

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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.