Home / 1,781,030.70-2,671,546.05-715,524.30

Finding the Fourth Proportional to 1,781,030.70, 2,671,546.05 and 715,524.30

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Solution

The fourth proportional to 1,781,030.70, 2,671,546.05 and 715,524.30 is: 1,073,286.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,030.70 : 2,671,546.05 = 715,524.30 : x
  2. Step 2: Convert to fraction form
    1,781,030.70/2,671,546.05 = 715,524.30/x
  3. Step 3: Cross multiply
    1,781,030.70x = 2,671,546.05 × 715,524.30
  4. Step 4: Simplify right side
    1,781,030.70x = 1,911,556,117,344.02
  5. Step 5: Solve for x
    x = 1,911,556,117,344.02/1,781,030.70
  6. Step 6: Final answer
    x = 1,073,286.45

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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.