Home / 1,382,471.80-2,073,707.70-435,938.20

Finding the Fourth Proportional to 1,382,471.80, 2,073,707.70 and 435,938.20

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Solution

The fourth proportional to 1,382,471.80, 2,073,707.70 and 435,938.20 is: 653,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,471.80 : 2,073,707.70 = 435,938.20 : x
  2. Step 2: Convert to fraction form
    1,382,471.80/2,073,707.70 = 435,938.20/x
  3. Step 3: Cross multiply
    1,382,471.80x = 2,073,707.70 × 435,938.20
  4. Step 4: Simplify right side
    1,382,471.80x = 904,008,402,064.14
  5. Step 5: Solve for x
    x = 904,008,402,064.14/1,382,471.80
  6. Step 6: Final answer
    x = 653,907.30

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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.