Home / 1,039,756.80-1,559,401.92-478,251.84

Finding the Fourth Proportional to 1,039,756.80, 1,559,401.92 and 478,251.84

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Solution

The fourth proportional to 1,039,756.80, 1,559,401.92 and 478,251.84 is: 717,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,756.80 : 1,559,401.92 = 478,251.84 : x
  2. Step 2: Convert to fraction form
    1,039,756.80/1,559,401.92 = 478,251.84/x
  3. Step 3: Cross multiply
    1,039,756.80x = 1,559,401.92 × 478,251.84
  4. Step 4: Simplify right side
    1,039,756.80x = 745,786,837,539.53
  5. Step 5: Solve for x
    x = 745,786,837,539.53/1,039,756.80
  6. Step 6: Final answer
    x = 717,270.46

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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.