Home / 1,145,641.61-1,580,986.02-629,428.77

Finding the Fourth Proportional to 1,145,641.61, 1,580,986.02 and 629,428.77

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Solution

The fourth proportional to 1,145,641.61, 1,580,986.02 and 629,428.77 is: 868,612.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,641.61 : 1,580,986.02 = 629,428.77 : x
  2. Step 2: Convert to fraction form
    1,145,641.61/1,580,986.02 = 629,428.77/x
  3. Step 3: Cross multiply
    1,145,641.61x = 1,580,986.02 × 629,428.77
  4. Step 4: Simplify right side
    1,145,641.61x = 995,118,085,955.80
  5. Step 5: Solve for x
    x = 995,118,085,955.80/1,145,641.61
  6. Step 6: Final answer
    x = 868,612.04

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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.