Home / 1,086,411.60-1,630,200.60-455,389.20

Finding the Fourth Proportional to 1,086,411.60, 1,630,200.60 and 455,389.20

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Solution

The fourth proportional to 1,086,411.60, 1,630,200.60 and 455,389.20 is: 683,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,411.60 : 1,630,200.60 = 455,389.20 : x
  2. Step 2: Convert to fraction form
    1,086,411.60/1,630,200.60 = 455,389.20/x
  3. Step 3: Cross multiply
    1,086,411.60x = 1,630,200.60 × 455,389.20
  4. Step 4: Simplify right side
    1,086,411.60x = 742,375,747,073.52
  5. Step 5: Solve for x
    x = 742,375,747,073.52/1,086,411.60
  6. Step 6: Final answer
    x = 683,328.26

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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.