Home / 1,943,250-2,915,248.62-745,078.86

Finding the Fourth Proportional to 1,943,250, 2,915,248.62 and 745,078.86

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Solution

The fourth proportional to 1,943,250, 2,915,248.62 and 745,078.86 is: 1,117,761.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943,250 : 2,915,248.62 = 745,078.86 : x
  2. Step 2: Convert to fraction form
    1,943,250/2,915,248.62 = 745,078.86/x
  3. Step 3: Cross multiply
    1,943,250x = 2,915,248.62 × 745,078.86
  4. Step 4: Simplify right side
    1,943,250x = 2,172,090,118,406.17
  5. Step 5: Solve for x
    x = 2,172,090,118,406.17/1,943,250
  6. Step 6: Final answer
    x = 1,117,761.54

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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.