Home / 1,079,373.30-1,617,677.55-828,813.30

Finding the Fourth Proportional to 1,079,373.30, 1,617,677.55 and 828,813.30

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Solution

The fourth proportional to 1,079,373.30, 1,617,677.55 and 828,813.30 is: 1,242,158.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,373.30 : 1,617,677.55 = 828,813.30 : x
  2. Step 2: Convert to fraction form
    1,079,373.30/1,617,677.55 = 828,813.30/x
  3. Step 3: Cross multiply
    1,079,373.30x = 1,617,677.55 × 828,813.30
  4. Step 4: Simplify right side
    1,079,373.30x = 1,340,752,668,551.42
  5. Step 5: Solve for x
    x = 1,340,752,668,551.42/1,079,373.30
  6. Step 6: Final answer
    x = 1,242,158.45

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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.