Home / 965,406.20-1,448,109.30-921,119.45

Finding the Fourth Proportional to 965,406.20, 1,448,109.30 and 921,119.45

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Solution

The fourth proportional to 965,406.20, 1,448,109.30 and 921,119.45 is: 1,381,679.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,406.20 : 1,448,109.30 = 921,119.45 : x
  2. Step 2: Convert to fraction form
    965,406.20/1,448,109.30 = 921,119.45/x
  3. Step 3: Cross multiply
    965,406.20x = 1,448,109.30 × 921,119.45
  4. Step 4: Simplify right side
    965,406.20x = 1,333,881,641,955.89
  5. Step 5: Solve for x
    x = 1,333,881,641,955.89/965,406.20
  6. Step 6: Final answer
    x = 1,381,679.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.