Home / 1,105,246.20-1,657,869.30-395,297.40

Finding the Fourth Proportional to 1,105,246.20, 1,657,869.30 and 395,297.40

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Solution

The fourth proportional to 1,105,246.20, 1,657,869.30 and 395,297.40 is: 592,946.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,246.20 : 1,657,869.30 = 395,297.40 : x
  2. Step 2: Convert to fraction form
    1,105,246.20/1,657,869.30 = 395,297.40/x
  3. Step 3: Cross multiply
    1,105,246.20x = 1,657,869.30 × 395,297.40
  4. Step 4: Simplify right side
    1,105,246.20x = 655,351,423,829.82
  5. Step 5: Solve for x
    x = 655,351,423,829.82/1,105,246.20
  6. Step 6: Final answer
    x = 592,946.10

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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.