Home / 1,342,870.08-2,013,298.88-810,265.28

Finding the Fourth Proportional to 1,342,870.08, 2,013,298.88 and 810,265.28

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Solution

The fourth proportional to 1,342,870.08, 2,013,298.88 and 810,265.28 is: 1,214,790.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,870.08 : 2,013,298.88 = 810,265.28 : x
  2. Step 2: Convert to fraction form
    1,342,870.08/2,013,298.88 = 810,265.28/x
  3. Step 3: Cross multiply
    1,342,870.08x = 2,013,298.88 × 810,265.28
  4. Step 4: Simplify right side
    1,342,870.08x = 1,631,306,180,726.89
  5. Step 5: Solve for x
    x = 1,631,306,180,726.89/1,342,870.08
  6. Step 6: Final answer
    x = 1,214,790.77

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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.