Home / 1,360,930.78-1,878,069.60-749,070.41

Finding the Fourth Proportional to 1,360,930.78, 1,878,069.60 and 749,070.41

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Solution

The fourth proportional to 1,360,930.78, 1,878,069.60 and 749,070.41 is: 1,033,708.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,930.78 : 1,878,069.60 = 749,070.41 : x
  2. Step 2: Convert to fraction form
    1,360,930.78/1,878,069.60 = 749,070.41/x
  3. Step 3: Cross multiply
    1,360,930.78x = 1,878,069.60 × 749,070.41
  4. Step 4: Simplify right side
    1,360,930.78x = 1,406,806,365,280.54
  5. Step 5: Solve for x
    x = 1,406,806,365,280.54/1,360,930.78
  6. Step 6: Final answer
    x = 1,033,708.98

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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.