Home / 1,121,346.64-1,547,452.92-612,047.80

Finding the Fourth Proportional to 1,121,346.64, 1,547,452.92 and 612,047.80

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Solution

The fourth proportional to 1,121,346.64, 1,547,452.92 and 612,047.80 is: 844,622.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,346.64 : 1,547,452.92 = 612,047.80 : x
  2. Step 2: Convert to fraction form
    1,121,346.64/1,547,452.92 = 612,047.80/x
  3. Step 3: Cross multiply
    1,121,346.64x = 1,547,452.92 × 612,047.80
  4. Step 4: Simplify right side
    1,121,346.64x = 947,115,155,289.58
  5. Step 5: Solve for x
    x = 947,115,155,289.58/1,121,346.64
  6. Step 6: Final answer
    x = 844,622.99

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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.