Home / 1,580,332.65-2,180,864.79-855,180.29

Finding the Fourth Proportional to 1,580,332.65, 2,180,864.79 and 855,180.29

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Solution

The fourth proportional to 1,580,332.65, 2,180,864.79 and 855,180.29 is: 1,180,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,332.65 : 2,180,864.79 = 855,180.29 : x
  2. Step 2: Convert to fraction form
    1,580,332.65/2,180,864.79 = 855,180.29/x
  3. Step 3: Cross multiply
    1,580,332.65x = 2,180,864.79 × 855,180.29
  4. Step 4: Simplify right side
    1,580,332.65x = 1,865,032,572,658.67
  5. Step 5: Solve for x
    x = 1,865,032,572,658.67/1,580,332.65
  6. Step 6: Final answer
    x = 1,180,151.90

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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.