Home / 1,098,477.62-1,647,894.15-340,140.86

Finding the Fourth Proportional to 1,098,477.62, 1,647,894.15 and 340,140.86

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Solution

The fourth proportional to 1,098,477.62, 1,647,894.15 and 340,140.86 is: 510,266.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,477.62 : 1,647,894.15 = 340,140.86 : x
  2. Step 2: Convert to fraction form
    1,098,477.62/1,647,894.15 = 340,140.86/x
  3. Step 3: Cross multiply
    1,098,477.62x = 1,647,894.15 × 340,140.86
  4. Step 4: Simplify right side
    1,098,477.62x = 560,516,125,130.50
  5. Step 5: Solve for x
    x = 560,516,125,130.50/1,098,477.62
  6. Step 6: Final answer
    x = 510,266.32

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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.