Home / 1,337,139.80-1,844,308.14-828,006.20

Finding the Fourth Proportional to 1,337,139.80, 1,844,308.14 and 828,006.20

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Solution

The fourth proportional to 1,337,139.80, 1,844,308.14 and 828,006.20 is: 1,142,063.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,139.80 : 1,844,308.14 = 828,006.20 : x
  2. Step 2: Convert to fraction form
    1,337,139.80/1,844,308.14 = 828,006.20/x
  3. Step 3: Cross multiply
    1,337,139.80x = 1,844,308.14 × 828,006.20
  4. Step 4: Simplify right side
    1,337,139.80x = 1,527,098,574,630.47
  5. Step 5: Solve for x
    x = 1,527,098,574,630.47/1,337,139.80
  6. Step 6: Final answer
    x = 1,142,063.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.