Home / 988,475.60-1,482,713.40-917,616.80

Finding the Fourth Proportional to 988,475.60, 1,482,713.40 and 917,616.80

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Solution

The fourth proportional to 988,475.60, 1,482,713.40 and 917,616.80 is: 1,376,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,475.60 : 1,482,713.40 = 917,616.80 : x
  2. Step 2: Convert to fraction form
    988,475.60/1,482,713.40 = 917,616.80/x
  3. Step 3: Cross multiply
    988,475.60x = 1,482,713.40 × 917,616.80
  4. Step 4: Simplify right side
    988,475.60x = 1,360,562,725,425.12
  5. Step 5: Solve for x
    x = 1,360,562,725,425.12/988,475.60
  6. Step 6: Final answer
    x = 1,376,425.20

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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.