Home / 1,380,239.80-2,070,359.70-433,706.20

Finding the Fourth Proportional to 1,380,239.80, 2,070,359.70 and 433,706.20

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Solution

The fourth proportional to 1,380,239.80, 2,070,359.70 and 433,706.20 is: 650,559.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,380,239.80 : 2,070,359.70 = 433,706.20 : x
  2. Step 2: Convert to fraction form
    1,380,239.80/2,070,359.70 = 433,706.20/x
  3. Step 3: Cross multiply
    1,380,239.80x = 2,070,359.70 × 433,706.20
  4. Step 4: Simplify right side
    1,380,239.80x = 897,927,838,120.14
  5. Step 5: Solve for x
    x = 897,927,838,120.14/1,380,239.80
  6. Step 6: Final answer
    x = 650,559.30

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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.