Home / 1,540,417.04-2,311,172.80-687,411.12

Finding the Fourth Proportional to 1,540,417.04, 2,311,172.80 and 687,411.12

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Solution

The fourth proportional to 1,540,417.04, 2,311,172.80 and 687,411.12 is: 1,031,360.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,417.04 : 2,311,172.80 = 687,411.12 : x
  2. Step 2: Convert to fraction form
    1,540,417.04/2,311,172.80 = 687,411.12/x
  3. Step 3: Cross multiply
    1,540,417.04x = 2,311,172.80 × 687,411.12
  4. Step 4: Simplify right side
    1,540,417.04x = 1,588,725,882,961.54
  5. Step 5: Solve for x
    x = 1,588,725,882,961.54/1,540,417.04
  6. Step 6: Final answer
    x = 1,031,360.89

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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.