Home / 1,298,362.26-1,791,962.40-754,813.33

Finding the Fourth Proportional to 1,298,362.26, 1,791,962.40 and 754,813.33

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Solution

The fourth proportional to 1,298,362.26, 1,791,962.40 and 754,813.33 is: 1,041,771.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,362.26 : 1,791,962.40 = 754,813.33 : x
  2. Step 2: Convert to fraction form
    1,298,362.26/1,791,962.40 = 754,813.33/x
  3. Step 3: Cross multiply
    1,298,362.26x = 1,791,962.40 × 754,813.33
  4. Step 4: Simplify right side
    1,298,362.26x = 1,352,597,111,449.30
  5. Step 5: Solve for x
    x = 1,352,597,111,449.30/1,298,362.26
  6. Step 6: Final answer
    x = 1,041,771.74

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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.