Home / 1,265,420.71-1,898,329.02-412,294.33

Finding the Fourth Proportional to 1,265,420.71, 1,898,329.02 and 412,294.33

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Solution

The fourth proportional to 1,265,420.71, 1,898,329.02 and 412,294.33 is: 618,505.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,420.71 : 1,898,329.02 = 412,294.33 : x
  2. Step 2: Convert to fraction form
    1,265,420.71/1,898,329.02 = 412,294.33/x
  3. Step 3: Cross multiply
    1,265,420.71x = 1,898,329.02 × 412,294.33
  4. Step 4: Simplify right side
    1,265,420.71x = 782,670,281,928.81
  5. Step 5: Solve for x
    x = 782,670,281,928.81/1,265,420.71
  6. Step 6: Final answer
    x = 618,505.99

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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.