Home / 1,688,480.27-2,330,086.10-914,090.65

Finding the Fourth Proportional to 1,688,480.27, 2,330,086.10 and 914,090.65

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Solution

The fourth proportional to 1,688,480.27, 2,330,086.10 and 914,090.65 is: 1,261,436.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,480.27 : 2,330,086.10 = 914,090.65 : x
  2. Step 2: Convert to fraction form
    1,688,480.27/2,330,086.10 = 914,090.65/x
  3. Step 3: Cross multiply
    1,688,480.27x = 2,330,086.10 × 914,090.65
  4. Step 4: Simplify right side
    1,688,480.27x = 2,129,909,918,393.27
  5. Step 5: Solve for x
    x = 2,129,909,918,393.27/1,688,480.27
  6. Step 6: Final answer
    x = 1,261,436.07

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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.