Home / 746,593.06-1,118,145.67-686,307.71

Finding the Fourth Proportional to 746,593.06, 1,118,145.67 and 686,307.71

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Solution

The fourth proportional to 746,593.06, 1,118,145.67 and 686,307.71 is: 1,027,858.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,593.06 : 1,118,145.67 = 686,307.71 : x
  2. Step 2: Convert to fraction form
    746,593.06/1,118,145.67 = 686,307.71/x
  3. Step 3: Cross multiply
    746,593.06x = 1,118,145.67 × 686,307.71
  4. Step 4: Simplify right side
    746,593.06x = 767,391,994,224.12
  5. Step 5: Solve for x
    x = 767,391,994,224.12/746,593.06
  6. Step 6: Final answer
    x = 1,027,858.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.