Home / 1,335,879.80-2,004,062.70-437,071.40

Finding the Fourth Proportional to 1,335,879.80, 2,004,062.70 and 437,071.40

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Solution

The fourth proportional to 1,335,879.80, 2,004,062.70 and 437,071.40 is: 655,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,879.80 : 2,004,062.70 = 437,071.40 : x
  2. Step 2: Convert to fraction form
    1,335,879.80/2,004,062.70 = 437,071.40/x
  3. Step 3: Cross multiply
    1,335,879.80x = 2,004,062.70 × 437,071.40
  4. Step 4: Simplify right side
    1,335,879.80x = 875,918,489,976.78
  5. Step 5: Solve for x
    x = 875,918,489,976.78/1,335,879.80
  6. Step 6: Final answer
    x = 655,686.60

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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.