Home / 1,000,117.69-1,380,359.15-757,977.91

Finding the Fourth Proportional to 1,000,117.69, 1,380,359.15 and 757,977.91

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Solution

The fourth proportional to 1,000,117.69, 1,380,359.15 and 757,977.91 is: 1,046,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,117.69 : 1,380,359.15 = 757,977.91 : x
  2. Step 2: Convert to fraction form
    1,000,117.69/1,380,359.15 = 757,977.91/x
  3. Step 3: Cross multiply
    1,000,117.69x = 1,380,359.15 × 757,977.91
  4. Step 4: Simplify right side
    1,000,117.69x = 1,046,281,743,566.38
  5. Step 5: Solve for x
    x = 1,046,281,743,566.38/1,000,117.69
  6. Step 6: Final answer
    x = 1,046,158.62

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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.