Home / 1,079,892.60-1,619,838.90-480,852.60

Finding the Fourth Proportional to 1,079,892.60, 1,619,838.90 and 480,852.60

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Solution

The fourth proportional to 1,079,892.60, 1,619,838.90 and 480,852.60 is: 721,278.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,892.60 : 1,619,838.90 = 480,852.60 : x
  2. Step 2: Convert to fraction form
    1,079,892.60/1,619,838.90 = 480,852.60/x
  3. Step 3: Cross multiply
    1,079,892.60x = 1,619,838.90 × 480,852.60
  4. Step 4: Simplify right side
    1,079,892.60x = 778,903,746,646.14
  5. Step 5: Solve for x
    x = 778,903,746,646.14/1,079,892.60
  6. Step 6: Final answer
    x = 721,278.90

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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.