Home / 1,136,037.49-1,568,253.57-980,369.53

Finding the Fourth Proportional to 1,136,037.49, 1,568,253.57 and 980,369.53

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Solution

The fourth proportional to 1,136,037.49, 1,568,253.57 and 980,369.53 is: 1,353,360.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,037.49 : 1,568,253.57 = 980,369.53 : x
  2. Step 2: Convert to fraction form
    1,136,037.49/1,568,253.57 = 980,369.53/x
  3. Step 3: Cross multiply
    1,136,037.49x = 1,568,253.57 × 980,369.53
  4. Step 4: Simplify right side
    1,136,037.49x = 1,537,468,015,341.72
  5. Step 5: Solve for x
    x = 1,537,468,015,341.72/1,136,037.49
  6. Step 6: Final answer
    x = 1,353,360.28

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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.