Home / 988,476.60-1,482,714.90-917,617.80

Finding the Fourth Proportional to 988,476.60, 1,482,714.90 and 917,617.80

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Solution

The fourth proportional to 988,476.60, 1,482,714.90 and 917,617.80 is: 1,376,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,476.60 : 1,482,714.90 = 917,617.80 : x
  2. Step 2: Convert to fraction form
    988,476.60/1,482,714.90 = 917,617.80/x
  3. Step 3: Cross multiply
    988,476.60x = 1,482,714.90 × 917,617.80
  4. Step 4: Simplify right side
    988,476.60x = 1,360,565,584,565.22
  5. Step 5: Solve for x
    x = 1,360,565,584,565.22/988,476.60
  6. Step 6: Final answer
    x = 1,376,426.70

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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.