Home / 1,009,448.80-1,393,254.93-579,965.74

Finding the Fourth Proportional to 1,009,448.80, 1,393,254.93 and 579,965.74

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Solution

The fourth proportional to 1,009,448.80, 1,393,254.93 and 579,965.74 is: 800,476.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,448.80 : 1,393,254.93 = 579,965.74 : x
  2. Step 2: Convert to fraction form
    1,009,448.80/1,393,254.93 = 579,965.74/x
  3. Step 3: Cross multiply
    1,009,448.80x = 1,393,254.93 × 579,965.74
  4. Step 4: Simplify right side
    1,009,448.80x = 808,040,129,752.58
  5. Step 5: Solve for x
    x = 808,040,129,752.58/1,009,448.80
  6. Step 6: Final answer
    x = 800,476.58

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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.