Home / 1,286,373.66-1,774,960.83-742,310.91

Finding the Fourth Proportional to 1,286,373.66, 1,774,960.83 and 742,310.91

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Solution

The fourth proportional to 1,286,373.66, 1,774,960.83 and 742,310.91 is: 1,024,253.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,373.66 : 1,774,960.83 = 742,310.91 : x
  2. Step 2: Convert to fraction form
    1,286,373.66/1,774,960.83 = 742,310.91/x
  3. Step 3: Cross multiply
    1,286,373.66x = 1,774,960.83 × 742,310.91
  4. Step 4: Simplify right side
    1,286,373.66x = 1,317,572,788,931.66
  5. Step 5: Solve for x
    x = 1,317,572,788,931.66/1,286,373.66
  6. Step 6: Final answer
    x = 1,024,253.55

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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.