Home / 1,209,483.12-1,815,345.68-610,864.66

Finding the Fourth Proportional to 1,209,483.12, 1,815,345.68 and 610,864.66

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Solution

The fourth proportional to 1,209,483.12, 1,815,345.68 and 610,864.66 is: 916,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,483.12 : 1,815,345.68 = 610,864.66 : x
  2. Step 2: Convert to fraction form
    1,209,483.12/1,815,345.68 = 610,864.66/x
  3. Step 3: Cross multiply
    1,209,483.12x = 1,815,345.68 × 610,864.66
  4. Step 4: Simplify right side
    1,209,483.12x = 1,108,930,521,595.67
  5. Step 5: Solve for x
    x = 1,108,930,521,595.67/1,209,483.12
  6. Step 6: Final answer
    x = 916,863.17

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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.