Home / 1,005,033.30-1,504,925.55-648,114.90

Finding the Fourth Proportional to 1,005,033.30, 1,504,925.55 and 648,114.90

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Solution

The fourth proportional to 1,005,033.30, 1,504,925.55 and 648,114.90 is: 970,479.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,033.30 : 1,504,925.55 = 648,114.90 : x
  2. Step 2: Convert to fraction form
    1,005,033.30/1,504,925.55 = 648,114.90/x
  3. Step 3: Cross multiply
    1,005,033.30x = 1,504,925.55 × 648,114.90
  4. Step 4: Simplify right side
    1,005,033.30x = 975,364,672,345.70
  5. Step 5: Solve for x
    x = 975,364,672,345.70/1,005,033.30
  6. Step 6: Final answer
    x = 970,479.96

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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.