Home / 1,237,849.75-1,708,237.00-779,267.74

Finding the Fourth Proportional to 1,237,849.75, 1,708,237.00 and 779,267.74

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Solution

The fourth proportional to 1,237,849.75, 1,708,237.00 and 779,267.74 is: 1,075,392.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,849.75 : 1,708,237.00 = 779,267.74 : x
  2. Step 2: Convert to fraction form
    1,237,849.75/1,708,237.00 = 779,267.74/x
  3. Step 3: Cross multiply
    1,237,849.75x = 1,708,237.00 × 779,267.74
  4. Step 4: Simplify right side
    1,237,849.75x = 1,331,173,981,897.44
  5. Step 5: Solve for x
    x = 1,331,173,981,897.44/1,237,849.75
  6. Step 6: Final answer
    x = 1,075,392.22

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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.