Home / 1,134,380.40-1,565,478.40-625,115.60

Finding the Fourth Proportional to 1,134,380.40, 1,565,478.40 and 625,115.60

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Solution

The fourth proportional to 1,134,380.40, 1,565,478.40 and 625,115.60 is: 862,677.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,380.40 : 1,565,478.40 = 625,115.60 : x
  2. Step 2: Convert to fraction form
    1,134,380.40/1,565,478.40 = 625,115.60/x
  3. Step 3: Cross multiply
    1,134,380.40x = 1,565,478.40 × 625,115.60
  4. Step 4: Simplify right side
    1,134,380.40x = 978,604,969,303.04
  5. Step 5: Solve for x
    x = 978,604,969,303.04/1,134,380.40
  6. Step 6: Final answer
    x = 862,677.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.