Home / 1,360,876.01-1,878,008.78-740,685.62

Finding the Fourth Proportional to 1,360,876.01, 1,878,008.78 and 740,685.62

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Solution

The fourth proportional to 1,360,876.01, 1,878,008.78 and 740,685.62 is: 1,022,146.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,876.01 : 1,878,008.78 = 740,685.62 : x
  2. Step 2: Convert to fraction form
    1,360,876.01/1,878,008.78 = 740,685.62/x
  3. Step 3: Cross multiply
    1,360,876.01x = 1,878,008.78 × 740,685.62
  4. Step 4: Simplify right side
    1,360,876.01x = 1,391,014,097,579.74
  5. Step 5: Solve for x
    x = 1,391,014,097,579.74/1,360,876.01
  6. Step 6: Final answer
    x = 1,022,146.10

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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.