Home / 1,374,993.40-1,897,484.28-763,153.48

Finding the Fourth Proportional to 1,374,993.40, 1,897,484.28 and 763,153.48

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Solution

The fourth proportional to 1,374,993.40, 1,897,484.28 and 763,153.48 is: 1,053,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,993.40 : 1,897,484.28 = 763,153.48 : x
  2. Step 2: Convert to fraction form
    1,374,993.40/1,897,484.28 = 763,153.48/x
  3. Step 3: Cross multiply
    1,374,993.40x = 1,897,484.28 × 763,153.48
  4. Step 4: Simplify right side
    1,374,993.40x = 1,448,071,731,527.29
  5. Step 5: Solve for x
    x = 1,448,071,731,527.29/1,374,993.40
  6. Step 6: Final answer
    x = 1,053,148.13

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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.