Home / 1,208,421.16-1,808,689.02-888,488.20

Finding the Fourth Proportional to 1,208,421.16, 1,808,689.02 and 888,488.20

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Solution

The fourth proportional to 1,208,421.16, 1,808,689.02 and 888,488.20 is: 1,329,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,421.16 : 1,808,689.02 = 888,488.20 : x
  2. Step 2: Convert to fraction form
    1,208,421.16/1,808,689.02 = 888,488.20/x
  3. Step 3: Cross multiply
    1,208,421.16x = 1,808,689.02 × 888,488.20
  4. Step 4: Simplify right side
    1,208,421.16x = 1,606,998,851,739.56
  5. Step 5: Solve for x
    x = 1,606,998,851,739.56/1,208,421.16
  6. Step 6: Final answer
    x = 1,329,833.43

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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.