Home / 720,010.20-1,080,015.30-714,761.40

Finding the Fourth Proportional to 720,010.20, 1,080,015.30 and 714,761.40

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Solution

The fourth proportional to 720,010.20, 1,080,015.30 and 714,761.40 is: 1,072,142.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,010.20 : 1,080,015.30 = 714,761.40 : x
  2. Step 2: Convert to fraction form
    720,010.20/1,080,015.30 = 714,761.40/x
  3. Step 3: Cross multiply
    720,010.20x = 1,080,015.30 × 714,761.40
  4. Step 4: Simplify right side
    720,010.20x = 771,953,247,849.42
  5. Step 5: Solve for x
    x = 771,953,247,849.42/720,010.20
  6. Step 6: Final answer
    x = 1,072,142.10

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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.