Home / 1,618,802.40-2,428,203.60-496,725.60

Finding the Fourth Proportional to 1,618,802.40, 2,428,203.60 and 496,725.60

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Solution

The fourth proportional to 1,618,802.40, 2,428,203.60 and 496,725.60 is: 745,088.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,802.40 : 2,428,203.60 = 496,725.60 : x
  2. Step 2: Convert to fraction form
    1,618,802.40/2,428,203.60 = 496,725.60/x
  3. Step 3: Cross multiply
    1,618,802.40x = 2,428,203.60 × 496,725.60
  4. Step 4: Simplify right side
    1,618,802.40x = 1,206,150,890,132.16
  5. Step 5: Solve for x
    x = 1,206,150,890,132.16/1,618,802.40
  6. Step 6: Final answer
    x = 745,088.40

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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.