Home / 1,407,487.95-2,110,908.12-839,029.55

Finding the Fourth Proportional to 1,407,487.95, 2,110,908.12 and 839,029.55

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Solution

The fourth proportional to 1,407,487.95, 2,110,908.12 and 839,029.55 is: 1,258,351.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,487.95 : 2,110,908.12 = 839,029.55 : x
  2. Step 2: Convert to fraction form
    1,407,487.95/2,110,908.12 = 839,029.55/x
  3. Step 3: Cross multiply
    1,407,487.95x = 2,110,908.12 × 839,029.55
  4. Step 4: Simplify right side
    1,407,487.95x = 1,771,114,279,460.41
  5. Step 5: Solve for x
    x = 1,771,114,279,460.41/1,407,487.95
  6. Step 6: Final answer
    x = 1,258,351.29

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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.