Home / 1,254,504.40-1,731,364.40-745,208.80

Finding the Fourth Proportional to 1,254,504.40, 1,731,364.40 and 745,208.80

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Solution

The fourth proportional to 1,254,504.40, 1,731,364.40 and 745,208.80 is: 1,028,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,254,504.40 : 1,731,364.40 = 745,208.80 : x
  2. Step 2: Convert to fraction form
    1,254,504.40/1,731,364.40 = 745,208.80/x
  3. Step 3: Cross multiply
    1,254,504.40x = 1,731,364.40 × 745,208.80
  4. Step 4: Simplify right side
    1,254,504.40x = 1,290,227,986,886.72
  5. Step 5: Solve for x
    x = 1,290,227,986,886.72/1,254,504.40
  6. Step 6: Final answer
    x = 1,028,476.25

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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.