Home / 1,312,225.10-1,810,909.02-768,310.00

Finding the Fourth Proportional to 1,312,225.10, 1,810,909.02 and 768,310.00

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Solution

The fourth proportional to 1,312,225.10, 1,810,909.02 and 768,310.00 is: 1,060,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,225.10 : 1,810,909.02 = 768,310.00 : x
  2. Step 2: Convert to fraction form
    1,312,225.10/1,810,909.02 = 768,310.00/x
  3. Step 3: Cross multiply
    1,312,225.10x = 1,810,909.02 × 768,310.00
  4. Step 4: Simplify right side
    1,312,225.10x = 1,391,339,504,628.93
  5. Step 5: Solve for x
    x = 1,391,339,504,628.93/1,312,225.10
  6. Step 6: Final answer
    x = 1,060,290.27

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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.