Home / 1,151,125.40-1,726,671.90-520,038.20

Finding the Fourth Proportional to 1,151,125.40, 1,726,671.90 and 520,038.20

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Solution

The fourth proportional to 1,151,125.40, 1,726,671.90 and 520,038.20 is: 780,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,125.40 : 1,726,671.90 = 520,038.20 : x
  2. Step 2: Convert to fraction form
    1,151,125.40/1,726,671.90 = 520,038.20/x
  3. Step 3: Cross multiply
    1,151,125.40x = 1,726,671.90 × 520,038.20
  4. Step 4: Simplify right side
    1,151,125.40x = 897,935,346,866.58
  5. Step 5: Solve for x
    x = 897,935,346,866.58/1,151,125.40
  6. Step 6: Final answer
    x = 780,049.98

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1.5x scale

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.