Home / 1,771,818.80-2,655,913.80-871,876.40

Finding the Fourth Proportional to 1,771,818.80, 2,655,913.80 and 871,876.40

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Solution

The fourth proportional to 1,771,818.80, 2,655,913.80 and 871,876.40 is: 1,306,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,818.80 : 2,655,913.80 = 871,876.40 : x
  2. Step 2: Convert to fraction form
    1,771,818.80/2,655,913.80 = 871,876.40/x
  3. Step 3: Cross multiply
    1,771,818.80x = 2,655,913.80 × 871,876.40
  4. Step 4: Simplify right side
    1,771,818.80x = 2,315,628,562,654.32
  5. Step 5: Solve for x
    x = 2,315,628,562,654.32/1,771,818.80
  6. Step 6: Final answer
    x = 1,306,921.77

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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.