Home / 1,010,589.94-1,394,848.65-666,488.17

Finding the Fourth Proportional to 1,010,589.94, 1,394,848.65 and 666,488.17

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Solution

The fourth proportional to 1,010,589.94, 1,394,848.65 and 666,488.17 is: 919,908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,589.94 : 1,394,848.65 = 666,488.17 : x
  2. Step 2: Convert to fraction form
    1,010,589.94/1,394,848.65 = 666,488.17/x
  3. Step 3: Cross multiply
    1,010,589.94x = 1,394,848.65 × 666,488.17
  4. Step 4: Simplify right side
    1,010,589.94x = 929,650,124,165.47
  5. Step 5: Solve for x
    x = 929,650,124,165.47/1,010,589.94
  6. Step 6: Final answer
    x = 919,908.35

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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.