Home / 971,247.40-1,456,871.10-813,783.40

Finding the Fourth Proportional to 971,247.40, 1,456,871.10 and 813,783.40

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Solution

The fourth proportional to 971,247.40, 1,456,871.10 and 813,783.40 is: 1,220,675.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,247.40 : 1,456,871.10 = 813,783.40 : x
  2. Step 2: Convert to fraction form
    971,247.40/1,456,871.10 = 813,783.40/x
  3. Step 3: Cross multiply
    971,247.40x = 1,456,871.10 × 813,783.40
  4. Step 4: Simplify right side
    971,247.40x = 1,185,577,517,119.74
  5. Step 5: Solve for x
    x = 1,185,577,517,119.74/971,247.40
  6. Step 6: Final answer
    x = 1,220,675.10

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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.