Home / 1,330,588.80-1,995,445.80-489,031.20

Finding the Fourth Proportional to 1,330,588.80, 1,995,445.80 and 489,031.20

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Solution

The fourth proportional to 1,330,588.80, 1,995,445.80 and 489,031.20 is: 733,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,588.80 : 1,995,445.80 = 489,031.20 : x
  2. Step 2: Convert to fraction form
    1,330,588.80/1,995,445.80 = 489,031.20/x
  3. Step 3: Cross multiply
    1,330,588.80x = 1,995,445.80 × 489,031.20
  4. Step 4: Simplify right side
    1,330,588.80x = 975,835,254,108.96
  5. Step 5: Solve for x
    x = 975,835,254,108.96/1,330,588.80
  6. Step 6: Final answer
    x = 733,386.04

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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.