Home / 1,069,277.55-1,474,660.85-661,314.57

Finding the Fourth Proportional to 1,069,277.55, 1,474,660.85 and 661,314.57

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Solution

The fourth proportional to 1,069,277.55, 1,474,660.85 and 661,314.57 is: 912,031.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,277.55 : 1,474,660.85 = 661,314.57 : x
  2. Step 2: Convert to fraction form
    1,069,277.55/1,474,660.85 = 661,314.57/x
  3. Step 3: Cross multiply
    1,069,277.55x = 1,474,660.85 × 661,314.57
  4. Step 4: Simplify right side
    1,069,277.55x = 975,214,705,913.59
  5. Step 5: Solve for x
    x = 975,214,705,913.59/1,069,277.55
  6. Step 6: Final answer
    x = 912,031.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.