Home / 1,236,830.90-1,710,262.42-981,739.22

Finding the Fourth Proportional to 1,236,830.90, 1,710,262.42 and 981,739.22

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Solution

The fourth proportional to 1,236,830.90, 1,710,262.42 and 981,739.22 is: 1,357,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,830.90 : 1,710,262.42 = 981,739.22 : x
  2. Step 2: Convert to fraction form
    1,236,830.90/1,710,262.42 = 981,739.22/x
  3. Step 3: Cross multiply
    1,236,830.90x = 1,710,262.42 × 981,739.22
  4. Step 4: Simplify right side
    1,236,830.90x = 1,679,031,694,206.11
  5. Step 5: Solve for x
    x = 1,679,031,694,206.11/1,236,830.90
  6. Step 6: Final answer
    x = 1,357,527.29

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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.