Home / 1,319,365.40-1,976,715.30-1,170,066.20

Finding the Fourth Proportional to 1,319,365.40, 1,976,715.30 and 1,170,066.20

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Solution

The fourth proportional to 1,319,365.40, 1,976,715.30 and 1,170,066.20 is: 1,753,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,365.40 : 1,976,715.30 = 1,170,066.20 : x
  2. Step 2: Convert to fraction form
    1,319,365.40/1,976,715.30 = 1,170,066.20/x
  3. Step 3: Cross multiply
    1,319,365.40x = 1,976,715.30 × 1,170,066.20
  4. Step 4: Simplify right side
    1,319,365.40x = 2,312,887,759,552.86
  5. Step 5: Solve for x
    x = 2,312,887,759,552.86/1,319,365.40
  6. Step 6: Final answer
    x = 1,753,030.48

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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.