Home / 1,772,722.80-2,657,356.20-1,013,785.20

Finding the Fourth Proportional to 1,772,722.80, 2,657,356.20 and 1,013,785.20

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Solution

The fourth proportional to 1,772,722.80, 2,657,356.20 and 1,013,785.20 is: 1,519,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,722.80 : 2,657,356.20 = 1,013,785.20 : x
  2. Step 2: Convert to fraction form
    1,772,722.80/2,657,356.20 = 1,013,785.20/x
  3. Step 3: Cross multiply
    1,772,722.80x = 2,657,356.20 × 1,013,785.20
  4. Step 4: Simplify right side
    1,772,722.80x = 2,693,988,386,688.24
  5. Step 5: Solve for x
    x = 2,693,988,386,688.24/1,772,722.80
  6. Step 6: Final answer
    x = 1,519,689.59

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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.