Home / 1,436,065.79-2,154,256.32-716,588.58

Finding the Fourth Proportional to 1,436,065.79, 2,154,256.32 and 716,588.58

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Solution

The fourth proportional to 1,436,065.79, 2,154,256.32 and 716,588.58 is: 1,074,961.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,065.79 : 2,154,256.32 = 716,588.58 : x
  2. Step 2: Convert to fraction form
    1,436,065.79/2,154,256.32 = 716,588.58/x
  3. Step 3: Cross multiply
    1,436,065.79x = 2,154,256.32 × 716,588.58
  4. Step 4: Simplify right side
    1,436,065.79x = 1,543,715,473,721.88
  5. Step 5: Solve for x
    x = 1,543,715,473,721.88/1,436,065.79
  6. Step 6: Final answer
    x = 1,074,961.53

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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.