Home / 1,486,360.53-2,229,540.80-421,411.82

Finding the Fourth Proportional to 1,486,360.53, 2,229,540.80 and 421,411.82

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Solution

The fourth proportional to 1,486,360.53, 2,229,540.80 and 421,411.82 is: 632,117.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,360.53 : 2,229,540.80 = 421,411.82 : x
  2. Step 2: Convert to fraction form
    1,486,360.53/2,229,540.80 = 421,411.82/x
  3. Step 3: Cross multiply
    1,486,360.53x = 2,229,540.80 × 421,411.82
  4. Step 4: Simplify right side
    1,486,360.53x = 939,554,833,037.49
  5. Step 5: Solve for x
    x = 939,554,833,037.49/1,486,360.53
  6. Step 6: Final answer
    x = 632,117.72

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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.