Home / 1,121,617.20-1,547,855.16-612,341.04

Finding the Fourth Proportional to 1,121,617.20, 1,547,855.16 and 612,341.04

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Solution

The fourth proportional to 1,121,617.20, 1,547,855.16 and 612,341.04 is: 845,043.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,617.20 : 1,547,855.16 = 612,341.04 : x
  2. Step 2: Convert to fraction form
    1,121,617.20/1,547,855.16 = 612,341.04/x
  3. Step 3: Cross multiply
    1,121,617.20x = 1,547,855.16 × 612,341.04
  4. Step 4: Simplify right side
    1,121,617.20x = 947,815,238,443.77
  5. Step 5: Solve for x
    x = 947,815,238,443.77/1,121,617.20
  6. Step 6: Final answer
    x = 845,043.42

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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.