Home / 1,917,008.60-2,875,512.90-587,139.80

Finding the Fourth Proportional to 1,917,008.60, 2,875,512.90 and 587,139.80

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Solution

The fourth proportional to 1,917,008.60, 2,875,512.90 and 587,139.80 is: 880,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,008.60 : 2,875,512.90 = 587,139.80 : x
  2. Step 2: Convert to fraction form
    1,917,008.60/2,875,512.90 = 587,139.80/x
  3. Step 3: Cross multiply
    1,917,008.60x = 2,875,512.90 × 587,139.80
  4. Step 4: Simplify right side
    1,917,008.60x = 1,688,328,069,003.42
  5. Step 5: Solve for x
    x = 1,688,328,069,003.42/1,917,008.60
  6. Step 6: Final answer
    x = 880,709.70

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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.