Home / 1,657,073.40-2,286,739.59-931,920.90

Finding the Fourth Proportional to 1,657,073.40, 2,286,739.59 and 931,920.90

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Solution

The fourth proportional to 1,657,073.40, 2,286,739.59 and 931,920.90 is: 1,286,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,073.40 : 2,286,739.59 = 931,920.90 : x
  2. Step 2: Convert to fraction form
    1,657,073.40/2,286,739.59 = 931,920.90/x
  3. Step 3: Cross multiply
    1,657,073.40x = 2,286,739.59 × 931,920.90
  4. Step 4: Simplify right side
    1,657,073.40x = 2,131,060,416,778.43
  5. Step 5: Solve for x
    x = 2,131,060,416,778.43/1,657,073.40
  6. Step 6: Final answer
    x = 1,286,038.64

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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.