Home / 1,240,402.80-1,860,732.92-341,844.69

Finding the Fourth Proportional to 1,240,402.80, 1,860,732.92 and 341,844.69

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Solution

The fourth proportional to 1,240,402.80, 1,860,732.92 and 341,844.69 is: 512,802.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,402.80 : 1,860,732.92 = 341,844.69 : x
  2. Step 2: Convert to fraction form
    1,240,402.80/1,860,732.92 = 341,844.69/x
  3. Step 3: Cross multiply
    1,240,402.80x = 1,860,732.92 × 341,844.69
  4. Step 4: Simplify right side
    1,240,402.80x = 636,081,657,197.31
  5. Step 5: Solve for x
    x = 636,081,657,197.31/1,240,402.80
  6. Step 6: Final answer
    x = 512,802.50

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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.