Home / 1,617,015.40-2,425,182.90-817,545.40

Finding the Fourth Proportional to 1,617,015.40, 2,425,182.90 and 817,545.40

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Solution

The fourth proportional to 1,617,015.40, 2,425,182.90 and 817,545.40 is: 1,226,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,015.40 : 2,425,182.90 = 817,545.40 : x
  2. Step 2: Convert to fraction form
    1,617,015.40/2,425,182.90 = 817,545.40/x
  3. Step 3: Cross multiply
    1,617,015.40x = 2,425,182.90 × 817,545.40
  4. Step 4: Simplify right side
    1,617,015.40x = 1,982,697,124,053.66
  5. Step 5: Solve for x
    x = 1,982,697,124,053.66/1,617,015.40
  6. Step 6: Final answer
    x = 1,226,146.10

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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.