Home / 971,314.80-1,456,972.20-909,106.80

Finding the Fourth Proportional to 971,314.80, 1,456,972.20 and 909,106.80

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Solution

The fourth proportional to 971,314.80, 1,456,972.20 and 909,106.80 is: 1,363,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,314.80 : 1,456,972.20 = 909,106.80 : x
  2. Step 2: Convert to fraction form
    971,314.80/1,456,972.20 = 909,106.80/x
  3. Step 3: Cross multiply
    971,314.80x = 1,456,972.20 × 909,106.80
  4. Step 4: Simplify right side
    971,314.80x = 1,324,543,334,430.96
  5. Step 5: Solve for x
    x = 1,324,543,334,430.96/971,314.80
  6. Step 6: Final answer
    x = 1,363,660.20

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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.