Home / 815,411.70-1,223,117.55-701,250.30

Finding the Fourth Proportional to 815,411.70, 1,223,117.55 and 701,250.30

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Solution

The fourth proportional to 815,411.70, 1,223,117.55 and 701,250.30 is: 1,051,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,411.70 : 1,223,117.55 = 701,250.30 : x
  2. Step 2: Convert to fraction form
    815,411.70/1,223,117.55 = 701,250.30/x
  3. Step 3: Cross multiply
    815,411.70x = 1,223,117.55 × 701,250.30
  4. Step 4: Simplify right side
    815,411.70x = 857,711,548,872.77
  5. Step 5: Solve for x
    x = 857,711,548,872.77/815,411.70
  6. Step 6: Final answer
    x = 1,051,875.45

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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.