Home / 1,710,481-2,565,721.44-787,143.72

Finding the Fourth Proportional to 1,710,481, 2,565,721.44 and 787,143.72

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Solution

The fourth proportional to 1,710,481, 2,565,721.44 and 787,143.72 is: 1,180,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,481 : 2,565,721.44 = 787,143.72 : x
  2. Step 2: Convert to fraction form
    1,710,481/2,565,721.44 = 787,143.72/x
  3. Step 3: Cross multiply
    1,710,481x = 2,565,721.44 × 787,143.72
  4. Step 4: Simplify right side
    1,710,481x = 2,019,591,518,765.36
  5. Step 5: Solve for x
    x = 2,019,591,518,765.36/1,710,481
  6. Step 6: Final answer
    x = 1,180,715.55

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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.