Home / 1,330,572.30-1,995,421.05-489,014.70

Finding the Fourth Proportional to 1,330,572.30, 1,995,421.05 and 489,014.70

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Solution

The fourth proportional to 1,330,572.30, 1,995,421.05 and 489,014.70 is: 733,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,572.30 : 1,995,421.05 = 489,014.70 : x
  2. Step 2: Convert to fraction form
    1,330,572.30/1,995,421.05 = 489,014.70/x
  3. Step 3: Cross multiply
    1,330,572.30x = 1,995,421.05 × 489,014.70
  4. Step 4: Simplify right side
    1,330,572.30x = 975,790,226,139.44
  5. Step 5: Solve for x
    x = 975,790,226,139.44/1,330,572.30
  6. Step 6: Final answer
    x = 733,361.30

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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.