Home / 1,118,746.17-1,679,582.72-664,167.29

Finding the Fourth Proportional to 1,118,746.17, 1,679,582.72 and 664,167.29

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Solution

The fourth proportional to 1,118,746.17, 1,679,582.72 and 664,167.29 is: 997,119.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,746.17 : 1,679,582.72 = 664,167.29 : x
  2. Step 2: Convert to fraction form
    1,118,746.17/1,679,582.72 = 664,167.29/x
  3. Step 3: Cross multiply
    1,118,746.17x = 1,679,582.72 × 664,167.29
  4. Step 4: Simplify right side
    1,118,746.17x = 1,115,523,891,754.48
  5. Step 5: Solve for x
    x = 1,115,523,891,754.48/1,118,746.17
  6. Step 6: Final answer
    x = 997,119.74

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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.