Home / 1,040,426.40-1,559,602.80-478,480.80

Finding the Fourth Proportional to 1,040,426.40, 1,559,602.80 and 478,480.80

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Solution

The fourth proportional to 1,040,426.40, 1,559,602.80 and 478,480.80 is: 717,244.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,426.40 : 1,559,602.80 = 478,480.80 : x
  2. Step 2: Convert to fraction form
    1,040,426.40/1,559,602.80 = 478,480.80/x
  3. Step 3: Cross multiply
    1,040,426.40x = 1,559,602.80 × 478,480.80
  4. Step 4: Simplify right side
    1,040,426.40x = 746,239,995,426.24
  5. Step 5: Solve for x
    x = 746,239,995,426.24/1,040,426.40
  6. Step 6: Final answer
    x = 717,244.39

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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.