Home / 1,317,630.80-1,976,543.40-476,073.20

Finding the Fourth Proportional to 1,317,630.80, 1,976,543.40 and 476,073.20

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Solution

The fourth proportional to 1,317,630.80, 1,976,543.40 and 476,073.20 is: 714,144.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,630.80 : 1,976,543.40 = 476,073.20 : x
  2. Step 2: Convert to fraction form
    1,317,630.80/1,976,543.40 = 476,073.20/x
  3. Step 3: Cross multiply
    1,317,630.80x = 1,976,543.40 × 476,073.20
  4. Step 4: Simplify right side
    1,317,630.80x = 940,979,341,376.88
  5. Step 5: Solve for x
    x = 940,979,341,376.88/1,317,630.80
  6. Step 6: Final answer
    x = 714,144.92

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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.