Home / 1,494,148.86-2,061,921.12-815,080.50

Finding the Fourth Proportional to 1,494,148.86, 2,061,921.12 and 815,080.50

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Solution

The fourth proportional to 1,494,148.86, 2,061,921.12 and 815,080.50 is: 1,124,808.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,148.86 : 2,061,921.12 = 815,080.50 : x
  2. Step 2: Convert to fraction form
    1,494,148.86/2,061,921.12 = 815,080.50/x
  3. Step 3: Cross multiply
    1,494,148.86x = 2,061,921.12 × 815,080.50
  4. Step 4: Simplify right side
    1,494,148.86x = 1,680,631,697,450.16
  5. Step 5: Solve for x
    x = 1,680,631,697,450.16/1,494,148.86
  6. Step 6: Final answer
    x = 1,124,808.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.