Home / 684,000.10-1,026,000.15-185,364.10

Finding the Fourth Proportional to 684,000.10, 1,026,000.15 and 185,364.10

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Solution

The fourth proportional to 684,000.10, 1,026,000.15 and 185,364.10 is: 278,046.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,000.10 : 1,026,000.15 = 185,364.10 : x
  2. Step 2: Convert to fraction form
    684,000.10/1,026,000.15 = 185,364.10/x
  3. Step 3: Cross multiply
    684,000.10x = 1,026,000.15 × 185,364.10
  4. Step 4: Simplify right side
    684,000.10x = 190,183,594,404.62
  5. Step 5: Solve for x
    x = 190,183,594,404.62/684,000.10
  6. Step 6: Final answer
    x = 278,046.15

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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.