Home / 1,252,215-1,878,617.36-997,012.80

Finding the Fourth Proportional to 1,252,215, 1,878,617.36 and 997,012.80

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Solution

The fourth proportional to 1,252,215, 1,878,617.36 and 997,012.80 is: 1,495,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,215 : 1,878,617.36 = 997,012.80 : x
  2. Step 2: Convert to fraction form
    1,252,215/1,878,617.36 = 997,012.80/x
  3. Step 3: Cross multiply
    1,252,215x = 1,878,617.36 × 997,012.80
  4. Step 4: Simplify right side
    1,252,215x = 1,873,005,554,222.21
  5. Step 5: Solve for x
    x = 1,873,005,554,222.21/1,252,215
  6. Step 6: Final answer
    x = 1,495,753.97

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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.