Home / 1,915,323.60-2,643,078.55-1,044,140.25

Finding the Fourth Proportional to 1,915,323.60, 2,643,078.55 and 1,044,140.25

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Solution

The fourth proportional to 1,915,323.60, 2,643,078.55 and 1,044,140.25 is: 1,440,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,323.60 : 2,643,078.55 = 1,044,140.25 : x
  2. Step 2: Convert to fraction form
    1,915,323.60/2,643,078.55 = 1,044,140.25/x
  3. Step 3: Cross multiply
    1,915,323.60x = 2,643,078.55 × 1,044,140.25
  4. Step 4: Simplify right side
    1,915,323.60x = 2,759,744,707,225.59
  5. Step 5: Solve for x
    x = 2,759,744,707,225.59/1,915,323.60
  6. Step 6: Final answer
    x = 1,440,876.47

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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.