Home / 1,009,175.52-1,392,706.80-579,473.76

Finding the Fourth Proportional to 1,009,175.52, 1,392,706.80 and 579,473.76

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Solution

The fourth proportional to 1,009,175.52, 1,392,706.80 and 579,473.76 is: 799,699.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,175.52 : 1,392,706.80 = 579,473.76 : x
  2. Step 2: Convert to fraction form
    1,009,175.52/1,392,706.80 = 579,473.76/x
  3. Step 3: Cross multiply
    1,009,175.52x = 1,392,706.80 × 579,473.76
  4. Step 4: Simplify right side
    1,009,175.52x = 807,037,045,973.57
  5. Step 5: Solve for x
    x = 807,037,045,973.57/1,009,175.52
  6. Step 6: Final answer
    x = 799,699.39

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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.