Home / 1,086,903.60-1,630,938.60-455,881.20

Finding the Fourth Proportional to 1,086,903.60, 1,630,938.60 and 455,881.20

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Solution

The fourth proportional to 1,086,903.60, 1,630,938.60 and 455,881.20 is: 684,066.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,903.60 : 1,630,938.60 = 455,881.20 : x
  2. Step 2: Convert to fraction form
    1,086,903.60/1,630,938.60 = 455,881.20/x
  3. Step 3: Cross multiply
    1,086,903.60x = 1,630,938.60 × 455,881.20
  4. Step 4: Simplify right side
    1,086,903.60x = 743,514,246,094.32
  5. Step 5: Solve for x
    x = 743,514,246,094.32/1,086,903.60
  6. Step 6: Final answer
    x = 684,066.41

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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.