Home / 934,139.20-1,401,014.40-260,046.40

Finding the Fourth Proportional to 934,139.20, 1,401,014.40 and 260,046.40

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Solution

The fourth proportional to 934,139.20, 1,401,014.40 and 260,046.40 is: 390,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,139.20 : 1,401,014.40 = 260,046.40 : x
  2. Step 2: Convert to fraction form
    934,139.20/1,401,014.40 = 260,046.40/x
  3. Step 3: Cross multiply
    934,139.20x = 1,401,014.40 × 260,046.40
  4. Step 4: Simplify right side
    934,139.20x = 364,328,751,068.16
  5. Step 5: Solve for x
    x = 364,328,751,068.16/934,139.20
  6. Step 6: Final answer
    x = 390,015.48

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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.