Home / 875,114.20-1,312,671.30-739,811.80

Finding the Fourth Proportional to 875,114.20, 1,312,671.30 and 739,811.80

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Solution

The fourth proportional to 875,114.20, 1,312,671.30 and 739,811.80 is: 1,109,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,114.20 : 1,312,671.30 = 739,811.80 : x
  2. Step 2: Convert to fraction form
    875,114.20/1,312,671.30 = 739,811.80/x
  3. Step 3: Cross multiply
    875,114.20x = 1,312,671.30 × 739,811.80
  4. Step 4: Simplify right side
    875,114.20x = 971,129,717,261.34
  5. Step 5: Solve for x
    x = 971,129,717,261.34/875,114.20
  6. Step 6: Final answer
    x = 1,109,717.70

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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.