Home / 1,437,717.40-2,156,206.92-426,600.20

Finding the Fourth Proportional to 1,437,717.40, 2,156,206.92 and 426,600.20

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Solution

The fourth proportional to 1,437,717.40, 2,156,206.92 and 426,600.20 is: 639,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,717.40 : 2,156,206.92 = 426,600.20 : x
  2. Step 2: Convert to fraction form
    1,437,717.40/2,156,206.92 = 426,600.20/x
  3. Step 3: Cross multiply
    1,437,717.40x = 2,156,206.92 × 426,600.20
  4. Step 4: Simplify right side
    1,437,717.40x = 919,838,303,313.38
  5. Step 5: Solve for x
    x = 919,838,303,313.38/1,437,717.40
  6. Step 6: Final answer
    x = 639,790.76

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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.