Home / 1,016,419.60-1,525,234.20-385,397.20

Finding the Fourth Proportional to 1,016,419.60, 1,525,234.20 and 385,397.20

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Solution

The fourth proportional to 1,016,419.60, 1,525,234.20 and 385,397.20 is: 578,325.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,419.60 : 1,525,234.20 = 385,397.20 : x
  2. Step 2: Convert to fraction form
    1,016,419.60/1,525,234.20 = 385,397.20/x
  3. Step 3: Cross multiply
    1,016,419.60x = 1,525,234.20 × 385,397.20
  4. Step 4: Simplify right side
    1,016,419.60x = 587,820,990,024.24
  5. Step 5: Solve for x
    x = 587,820,990,024.24/1,016,419.60
  6. Step 6: Final answer
    x = 578,325.12

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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.