Home / 1,156,065.60-1,731,640.80-757,934.40

Finding the Fourth Proportional to 1,156,065.60, 1,731,640.80 and 757,934.40

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Solution

The fourth proportional to 1,156,065.60, 1,731,640.80 and 757,934.40 is: 1,135,290.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,065.60 : 1,731,640.80 = 757,934.40 : x
  2. Step 2: Convert to fraction form
    1,156,065.60/1,731,640.80 = 757,934.40/x
  3. Step 3: Cross multiply
    1,156,065.60x = 1,731,640.80 × 757,934.40
  4. Step 4: Simplify right side
    1,156,065.60x = 1,312,470,130,763.52
  5. Step 5: Solve for x
    x = 1,312,470,130,763.52/1,156,065.60
  6. Step 6: Final answer
    x = 1,135,290.36

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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.