Home / 1,142,488.90-1,713,359.84-384,126.83

Finding the Fourth Proportional to 1,142,488.90, 1,713,359.84 and 384,126.83

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Solution

The fourth proportional to 1,142,488.90, 1,713,359.84 and 384,126.83 is: 576,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,488.90 : 1,713,359.84 = 384,126.83 : x
  2. Step 2: Convert to fraction form
    1,142,488.90/1,713,359.84 = 384,126.83/x
  3. Step 3: Cross multiply
    1,142,488.90x = 1,713,359.84 × 384,126.83
  4. Step 4: Simplify right side
    1,142,488.90x = 658,147,473,501.07
  5. Step 5: Solve for x
    x = 658,147,473,501.07/1,142,488.90
  6. Step 6: Final answer
    x = 576,064.66

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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.