Home / 941,425.60-1,412,138.40-657,990.40

Finding the Fourth Proportional to 941,425.60, 1,412,138.40 and 657,990.40

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Solution

The fourth proportional to 941,425.60, 1,412,138.40 and 657,990.40 is: 986,985.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,425.60 : 1,412,138.40 = 657,990.40 : x
  2. Step 2: Convert to fraction form
    941,425.60/1,412,138.40 = 657,990.40/x
  3. Step 3: Cross multiply
    941,425.60x = 1,412,138.40 × 657,990.40
  4. Step 4: Simplify right side
    941,425.60x = 929,173,510,671.36
  5. Step 5: Solve for x
    x = 929,173,510,671.36/941,425.60
  6. Step 6: Final answer
    x = 986,985.60

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Similar ratio
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1.5x scale

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.