Home / 1,207,782.74-1,666,760.86-663,941.46

Finding the Fourth Proportional to 1,207,782.74, 1,666,760.86 and 663,941.46

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Solution

The fourth proportional to 1,207,782.74, 1,666,760.86 and 663,941.46 is: 916,250.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,782.74 : 1,666,760.86 = 663,941.46 : x
  2. Step 2: Convert to fraction form
    1,207,782.74/1,666,760.86 = 663,941.46/x
  3. Step 3: Cross multiply
    1,207,782.74x = 1,666,760.86 × 663,941.46
  4. Step 4: Simplify right side
    1,207,782.74x = 1,106,631,638,859.26
  5. Step 5: Solve for x
    x = 1,106,631,638,859.26/1,207,782.74
  6. Step 6: Final answer
    x = 916,250.58

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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.