Home / 1,057,019.40-1,585,582.38-298,915.38

Finding the Fourth Proportional to 1,057,019.40, 1,585,582.38 and 298,915.38

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Solution

The fourth proportional to 1,057,019.40, 1,585,582.38 and 298,915.38 is: 448,388.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,019.40 : 1,585,582.38 = 298,915.38 : x
  2. Step 2: Convert to fraction form
    1,057,019.40/1,585,582.38 = 298,915.38/x
  3. Step 3: Cross multiply
    1,057,019.40x = 1,585,582.38 × 298,915.38
  4. Step 4: Simplify right side
    1,057,019.40x = 473,954,959,639.00
  5. Step 5: Solve for x
    x = 473,954,959,639.00/1,057,019.40
  6. Step 6: Final answer
    x = 448,388.14

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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.