Home / 1,726,901.60-2,590,352.40-980,405.60

Finding the Fourth Proportional to 1,726,901.60, 2,590,352.40 and 980,405.60

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Solution

The fourth proportional to 1,726,901.60, 2,590,352.40 and 980,405.60 is: 1,470,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,901.60 : 2,590,352.40 = 980,405.60 : x
  2. Step 2: Convert to fraction form
    1,726,901.60/2,590,352.40 = 980,405.60/x
  3. Step 3: Cross multiply
    1,726,901.60x = 2,590,352.40 × 980,405.60
  4. Step 4: Simplify right side
    1,726,901.60x = 2,539,595,998,933.44
  5. Step 5: Solve for x
    x = 2,539,595,998,933.44/1,726,901.60
  6. Step 6: Final answer
    x = 1,470,608.40

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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.