Home / 1,634,124.60-2,255,156.10-989,179.92

Finding the Fourth Proportional to 1,634,124.60, 2,255,156.10 and 989,179.92

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Solution

The fourth proportional to 1,634,124.60, 2,255,156.10 and 989,179.92 is: 1,365,107.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,124.60 : 2,255,156.10 = 989,179.92 : x
  2. Step 2: Convert to fraction form
    1,634,124.60/2,255,156.10 = 989,179.92/x
  3. Step 3: Cross multiply
    1,634,124.60x = 2,255,156.10 × 989,179.92
  4. Step 4: Simplify right side
    1,634,124.60x = 2,230,755,130,585.51
  5. Step 5: Solve for x
    x = 2,230,755,130,585.51/1,634,124.60
  6. Step 6: Final answer
    x = 1,365,107.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.