Home / 1,280,983.52-1,767,848.82-708,011.32

Finding the Fourth Proportional to 1,280,983.52, 1,767,848.82 and 708,011.32

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Solution

The fourth proportional to 1,280,983.52, 1,767,848.82 and 708,011.32 is: 977,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,983.52 : 1,767,848.82 = 708,011.32 : x
  2. Step 2: Convert to fraction form
    1,280,983.52/1,767,848.82 = 708,011.32/x
  3. Step 3: Cross multiply
    1,280,983.52x = 1,767,848.82 × 708,011.32
  4. Step 4: Simplify right side
    1,280,983.52x = 1,251,656,976,608.64
  5. Step 5: Solve for x
    x = 1,251,656,976,608.64/1,280,983.52
  6. Step 6: Final answer
    x = 977,106.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.