Home / 1,078,000.10-1,617,000.15-367,921.70

Finding the Fourth Proportional to 1,078,000.10, 1,617,000.15 and 367,921.70

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Solution

The fourth proportional to 1,078,000.10, 1,617,000.15 and 367,921.70 is: 551,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,000.10 : 1,617,000.15 = 367,921.70 : x
  2. Step 2: Convert to fraction form
    1,078,000.10/1,617,000.15 = 367,921.70/x
  3. Step 3: Cross multiply
    1,078,000.10x = 1,617,000.15 × 367,921.70
  4. Step 4: Simplify right side
    1,078,000.10x = 594,929,444,088.26
  5. Step 5: Solve for x
    x = 594,929,444,088.26/1,078,000.10
  6. Step 6: Final answer
    x = 551,882.55

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1.5x scale

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.