Home / 1,360,878.98-1,878,012.88-740,688.64

Finding the Fourth Proportional to 1,360,878.98, 1,878,012.88 and 740,688.64

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Solution

The fourth proportional to 1,360,878.98, 1,878,012.88 and 740,688.64 is: 1,022,150.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,878.98 : 1,878,012.88 = 740,688.64 : x
  2. Step 2: Convert to fraction form
    1,360,878.98/1,878,012.88 = 740,688.64/x
  3. Step 3: Cross multiply
    1,360,878.98x = 1,878,012.88 × 740,688.64
  4. Step 4: Simplify right side
    1,360,878.98x = 1,391,022,799,442.93
  5. Step 5: Solve for x
    x = 1,391,022,799,442.93/1,360,878.98
  6. Step 6: Final answer
    x = 1,022,150.26

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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.