Home / 1,436,680.80-2,158,967.52-1,343,066.40

Finding the Fourth Proportional to 1,436,680.80, 2,158,967.52 and 1,343,066.40

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Solution

The fourth proportional to 1,436,680.80, 2,158,967.52 and 1,343,066.40 is: 2,018,288.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,680.80 : 2,158,967.52 = 1,343,066.40 : x
  2. Step 2: Convert to fraction form
    1,436,680.80/2,158,967.52 = 1,343,066.40/x
  3. Step 3: Cross multiply
    1,436,680.80x = 2,158,967.52 × 1,343,066.40
  4. Step 4: Simplify right side
    1,436,680.80x = 2,899,636,734,803.33
  5. Step 5: Solve for x
    x = 2,899,636,734,803.33/1,436,680.80
  6. Step 6: Final answer
    x = 2,018,288.78

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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.