Home / 1,270,354.32-1,903,040.28-736,754.40

Finding the Fourth Proportional to 1,270,354.32, 1,903,040.28 and 736,754.40

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Solution

The fourth proportional to 1,270,354.32, 1,903,040.28 and 736,754.40 is: 1,103,686.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,354.32 : 1,903,040.28 = 736,754.40 : x
  2. Step 2: Convert to fraction form
    1,270,354.32/1,903,040.28 = 736,754.40/x
  3. Step 3: Cross multiply
    1,270,354.32x = 1,903,040.28 × 736,754.40
  4. Step 4: Simplify right side
    1,270,354.32x = 1,402,073,299,667.23
  5. Step 5: Solve for x
    x = 1,402,073,299,667.23/1,270,354.32
  6. Step 6: Final answer
    x = 1,103,686.80

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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.