Home / 1,370,057.60-2,055,669.60-865,006.40

Finding the Fourth Proportional to 1,370,057.60, 2,055,669.60 and 865,006.40

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Solution

The fourth proportional to 1,370,057.60, 2,055,669.60 and 865,006.40 is: 1,297,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,057.60 : 2,055,669.60 = 865,006.40 : x
  2. Step 2: Convert to fraction form
    1,370,057.60/2,055,669.60 = 865,006.40/x
  3. Step 3: Cross multiply
    1,370,057.60x = 2,055,669.60 × 865,006.40
  4. Step 4: Simplify right side
    1,370,057.60x = 1,778,167,360,285.44
  5. Step 5: Solve for x
    x = 1,778,167,360,285.44/1,370,057.60
  6. Step 6: Final answer
    x = 1,297,877.81

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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.