Home / 802,275.17-1,200,700.22-780,685.52

Finding the Fourth Proportional to 802,275.17, 1,200,700.22 and 780,685.52

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Solution

The fourth proportional to 802,275.17, 1,200,700.22 and 780,685.52 is: 1,168,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,275.17 : 1,200,700.22 = 780,685.52 : x
  2. Step 2: Convert to fraction form
    802,275.17/1,200,700.22 = 780,685.52/x
  3. Step 3: Cross multiply
    802,275.17x = 1,200,700.22 × 780,685.52
  4. Step 4: Simplify right side
    802,275.17x = 937,369,265,707.89
  5. Step 5: Solve for x
    x = 937,369,265,707.89/802,275.17
  6. Step 6: Final answer
    x = 1,168,388.74

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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.