Home / 1,029,248.64-1,420,441.92-647,602.56

Finding the Fourth Proportional to 1,029,248.64, 1,420,441.92 and 647,602.56

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Solution

The fourth proportional to 1,029,248.64, 1,420,441.92 and 647,602.56 is: 893,741.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,248.64 : 1,420,441.92 = 647,602.56 : x
  2. Step 2: Convert to fraction form
    1,029,248.64/1,420,441.92 = 647,602.56/x
  3. Step 3: Cross multiply
    1,029,248.64x = 1,420,441.92 × 647,602.56
  4. Step 4: Simplify right side
    1,029,248.64x = 919,881,823,723.32
  5. Step 5: Solve for x
    x = 919,881,823,723.32/1,029,248.64
  6. Step 6: Final answer
    x = 893,741.11

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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.