Home / 1,069,812.40-1,604,329.80-359,863.60

Finding the Fourth Proportional to 1,069,812.40, 1,604,329.80 and 359,863.60

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Solution

The fourth proportional to 1,069,812.40, 1,604,329.80 and 359,863.60 is: 539,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,812.40 : 1,604,329.80 = 359,863.60 : x
  2. Step 2: Convert to fraction form
    1,069,812.40/1,604,329.80 = 359,863.60/x
  3. Step 3: Cross multiply
    1,069,812.40x = 1,604,329.80 × 359,863.60
  4. Step 4: Simplify right side
    1,069,812.40x = 577,339,897,415.28
  5. Step 5: Solve for x
    x = 577,339,897,415.28/1,069,812.40
  6. Step 6: Final answer
    x = 539,664.62

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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.