Home / 1,750,308.80-2,620,214.40-1,039,971.20

Finding the Fourth Proportional to 1,750,308.80, 2,620,214.40 and 1,039,971.20

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Solution

The fourth proportional to 1,750,308.80, 2,620,214.40 and 1,039,971.20 is: 1,556,838.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,750,308.80 : 2,620,214.40 = 1,039,971.20 : x
  2. Step 2: Convert to fraction form
    1,750,308.80/2,620,214.40 = 1,039,971.20/x
  3. Step 3: Cross multiply
    1,750,308.80x = 2,620,214.40 × 1,039,971.20
  4. Step 4: Simplify right side
    1,750,308.80x = 2,724,947,513,825.28
  5. Step 5: Solve for x
    x = 2,724,947,513,825.28/1,750,308.80
  6. Step 6: Final answer
    x = 1,556,838.15

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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.