Home / 720,011.20-1,077,943.20-699,275.20

Finding the Fourth Proportional to 720,011.20, 1,077,943.20 and 699,275.20

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Solution

The fourth proportional to 720,011.20, 1,077,943.20 and 699,275.20 is: 1,046,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,011.20 : 1,077,943.20 = 699,275.20 : x
  2. Step 2: Convert to fraction form
    720,011.20/1,077,943.20 = 699,275.20/x
  3. Step 3: Cross multiply
    720,011.20x = 1,077,943.20 × 699,275.20
  4. Step 4: Simplify right side
    720,011.20x = 753,778,946,768.64
  5. Step 5: Solve for x
    x = 753,778,946,768.64/720,011.20
  6. Step 6: Final answer
    x = 1,046,898.92

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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.