Home / 1,781,317.32-2,671,981.38-433,480.16

Finding the Fourth Proportional to 1,781,317.32, 2,671,981.38 and 433,480.16

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Solution

The fourth proportional to 1,781,317.32, 2,671,981.38 and 433,480.16 is: 650,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,317.32 : 2,671,981.38 = 433,480.16 : x
  2. Step 2: Convert to fraction form
    1,781,317.32/2,671,981.38 = 433,480.16/x
  3. Step 3: Cross multiply
    1,781,317.32x = 2,671,981.38 × 433,480.16
  4. Step 4: Simplify right side
    1,781,317.32x = 1,158,250,916,119.42
  5. Step 5: Solve for x
    x = 1,158,250,916,119.42/1,781,317.32
  6. Step 6: Final answer
    x = 650,221.55

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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.