Home / 1,151,210.40-1,726,799.40-520,123.20

Finding the Fourth Proportional to 1,151,210.40, 1,726,799.40 and 520,123.20

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Solution

The fourth proportional to 1,151,210.40, 1,726,799.40 and 520,123.20 is: 780,177.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,210.40 : 1,726,799.40 = 520,123.20 : x
  2. Step 2: Convert to fraction form
    1,151,210.40/1,726,799.40 = 520,123.20/x
  3. Step 3: Cross multiply
    1,151,210.40x = 1,726,799.40 × 520,123.20
  4. Step 4: Simplify right side
    1,151,210.40x = 898,148,429,686.08
  5. Step 5: Solve for x
    x = 898,148,429,686.08/1,151,210.40
  6. Step 6: Final answer
    x = 780,177.48

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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.