Home / 1,095,428.34-1,643,229.18-385,615.62

Finding the Fourth Proportional to 1,095,428.34, 1,643,229.18 and 385,615.62

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Solution

The fourth proportional to 1,095,428.34, 1,643,229.18 and 385,615.62 is: 578,453.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,428.34 : 1,643,229.18 = 385,615.62 : x
  2. Step 2: Convert to fraction form
    1,095,428.34/1,643,229.18 = 385,615.62/x
  3. Step 3: Cross multiply
    1,095,428.34x = 1,643,229.18 × 385,615.62
  4. Step 4: Simplify right side
    1,095,428.34x = 633,654,839,047.79
  5. Step 5: Solve for x
    x = 633,654,839,047.79/1,095,428.34
  6. Step 6: Final answer
    x = 578,453.94

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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.