Home / 1,112,462.30-1,668,693.45-996,988.70

Finding the Fourth Proportional to 1,112,462.30, 1,668,693.45 and 996,988.70

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Solution

The fourth proportional to 1,112,462.30, 1,668,693.45 and 996,988.70 is: 1,495,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,462.30 : 1,668,693.45 = 996,988.70 : x
  2. Step 2: Convert to fraction form
    1,112,462.30/1,668,693.45 = 996,988.70/x
  3. Step 3: Cross multiply
    1,112,462.30x = 1,668,693.45 × 996,988.70
  4. Step 4: Simplify right side
    1,112,462.30x = 1,663,668,513,414.02
  5. Step 5: Solve for x
    x = 1,663,668,513,414.02/1,112,462.30
  6. Step 6: Final answer
    x = 1,495,483.05

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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.