Home / 1,330,559.30-1,995,401.55-489,001.70

Finding the Fourth Proportional to 1,330,559.30, 1,995,401.55 and 489,001.70

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Solution

The fourth proportional to 1,330,559.30, 1,995,401.55 and 489,001.70 is: 733,341.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,559.30 : 1,995,401.55 = 489,001.70 : x
  2. Step 2: Convert to fraction form
    1,330,559.30/1,995,401.55 = 489,001.70/x
  3. Step 3: Cross multiply
    1,330,559.30x = 1,995,401.55 × 489,001.70
  4. Step 4: Simplify right side
    1,330,559.30x = 975,754,750,132.64
  5. Step 5: Solve for x
    x = 975,754,750,132.64/1,330,559.30
  6. Step 6: Final answer
    x = 733,341.80

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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.