Home / 1,040,561.40-1,559,805.30-478,615.80

Finding the Fourth Proportional to 1,040,561.40, 1,559,805.30 and 478,615.80

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Solution

The fourth proportional to 1,040,561.40, 1,559,805.30 and 478,615.80 is: 717,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,561.40 : 1,559,805.30 = 478,615.80 : x
  2. Step 2: Convert to fraction form
    1,040,561.40/1,559,805.30 = 478,615.80/x
  3. Step 3: Cross multiply
    1,040,561.40x = 1,559,805.30 × 478,615.80
  4. Step 4: Simplify right side
    1,040,561.40x = 746,547,461,503.74
  5. Step 5: Solve for x
    x = 746,547,461,503.74/1,040,561.40
  6. Step 6: Final answer
    x = 717,446.81

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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.