Home / 1,487,693.16-2,054,005.20-1,142,915.04

Finding the Fourth Proportional to 1,487,693.16, 2,054,005.20 and 1,142,915.04

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Solution

The fourth proportional to 1,487,693.16, 2,054,005.20 and 1,142,915.04 is: 1,577,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,693.16 : 2,054,005.20 = 1,142,915.04 : x
  2. Step 2: Convert to fraction form
    1,487,693.16/2,054,005.20 = 1,142,915.04/x
  3. Step 3: Cross multiply
    1,487,693.16x = 2,054,005.20 × 1,142,915.04
  4. Step 4: Simplify right side
    1,487,693.16x = 2,347,553,435,318.21
  5. Step 5: Solve for x
    x = 2,347,553,435,318.21/1,487,693.16
  6. Step 6: Final answer
    x = 1,577,982.27

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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.