Home / 756,111.40-1,134,167.10-680,003.80

Finding the Fourth Proportional to 756,111.40, 1,134,167.10 and 680,003.80

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Solution

The fourth proportional to 756,111.40, 1,134,167.10 and 680,003.80 is: 1,020,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,111.40 : 1,134,167.10 = 680,003.80 : x
  2. Step 2: Convert to fraction form
    756,111.40/1,134,167.10 = 680,003.80/x
  3. Step 3: Cross multiply
    756,111.40x = 1,134,167.10 × 680,003.80
  4. Step 4: Simplify right side
    756,111.40x = 771,237,937,834.98
  5. Step 5: Solve for x
    x = 771,237,937,834.98/756,111.40
  6. Step 6: Final answer
    x = 1,020,005.70

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1.5x scale

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.