Home / 1,360,875.51-1,878,008.09-740,685.12

Finding the Fourth Proportional to 1,360,875.51, 1,878,008.09 and 740,685.12

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Solution

The fourth proportional to 1,360,875.51, 1,878,008.09 and 740,685.12 is: 1,022,145.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,875.51 : 1,878,008.09 = 740,685.12 : x
  2. Step 2: Convert to fraction form
    1,360,875.51/1,878,008.09 = 740,685.12/x
  3. Step 3: Cross multiply
    1,360,875.51x = 1,878,008.09 × 740,685.12
  4. Step 4: Simplify right side
    1,360,875.51x = 1,391,012,647,502.62
  5. Step 5: Solve for x
    x = 1,391,012,647,502.62/1,360,875.51
  6. Step 6: Final answer
    x = 1,022,145.41

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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.