Home / 1,656,668.79-2,484,726.35-458,712.20

Finding the Fourth Proportional to 1,656,668.79, 2,484,726.35 and 458,712.20

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Solution

The fourth proportional to 1,656,668.79, 2,484,726.35 and 458,712.20 is: 687,991.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,668.79 : 2,484,726.35 = 458,712.20 : x
  2. Step 2: Convert to fraction form
    1,656,668.79/2,484,726.35 = 458,712.20/x
  3. Step 3: Cross multiply
    1,656,668.79x = 2,484,726.35 × 458,712.20
  4. Step 4: Simplify right side
    1,656,668.79x = 1,139,774,275,689.28
  5. Step 5: Solve for x
    x = 1,139,774,275,689.28/1,656,668.79
  6. Step 6: Final answer
    x = 687,991.64

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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.