Home / 1,580,332.90-2,180,865.14-855,180.53

Finding the Fourth Proportional to 1,580,332.90, 2,180,865.14 and 855,180.53

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Solution

The fourth proportional to 1,580,332.90, 2,180,865.14 and 855,180.53 is: 1,180,152.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,332.90 : 2,180,865.14 = 855,180.53 : x
  2. Step 2: Convert to fraction form
    1,580,332.90/2,180,865.14 = 855,180.53/x
  3. Step 3: Cross multiply
    1,580,332.90x = 2,180,865.14 × 855,180.53
  4. Step 4: Simplify right side
    1,580,332.90x = 1,865,033,406,283.72
  5. Step 5: Solve for x
    x = 1,865,033,406,283.72/1,580,332.90
  6. Step 6: Final answer
    x = 1,180,152.24

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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.