Home / 1,107,658-1,527,809.25-678,150.37

Finding the Fourth Proportional to 1,107,658, 1,527,809.25 and 678,150.37

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Solution

The fourth proportional to 1,107,658, 1,527,809.25 and 678,150.37 is: 935,382.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,658 : 1,527,809.25 = 678,150.37 : x
  2. Step 2: Convert to fraction form
    1,107,658/1,527,809.25 = 678,150.37/x
  3. Step 3: Cross multiply
    1,107,658x = 1,527,809.25 × 678,150.37
  4. Step 4: Simplify right side
    1,107,658x = 1,036,084,408,176.92
  5. Step 5: Solve for x
    x = 1,036,084,408,176.92/1,107,658
  6. Step 6: Final answer
    x = 935,382.95

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Double scale
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1.5x scale

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.