Home / 1,107,711.40-1,660,400.70-433,532.20

Finding the Fourth Proportional to 1,107,711.40, 1,660,400.70 and 433,532.20

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Solution

The fourth proportional to 1,107,711.40, 1,660,400.70 and 433,532.20 is: 649,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,711.40 : 1,660,400.70 = 433,532.20 : x
  2. Step 2: Convert to fraction form
    1,107,711.40/1,660,400.70 = 433,532.20/x
  3. Step 3: Cross multiply
    1,107,711.40x = 1,660,400.70 × 433,532.20
  4. Step 4: Simplify right side
    1,107,711.40x = 719,837,168,352.54
  5. Step 5: Solve for x
    x = 719,837,168,352.54/1,107,711.40
  6. Step 6: Final answer
    x = 649,841.80

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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.