Home / 1,428,595.42-1,971,399.58-784,026.32

Finding the Fourth Proportional to 1,428,595.42, 1,971,399.58 and 784,026.32

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Solution

The fourth proportional to 1,428,595.42, 1,971,399.58 and 784,026.32 is: 1,081,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,595.42 : 1,971,399.58 = 784,026.32 : x
  2. Step 2: Convert to fraction form
    1,428,595.42/1,971,399.58 = 784,026.32/x
  3. Step 3: Cross multiply
    1,428,595.42x = 1,971,399.58 × 784,026.32
  4. Step 4: Simplify right side
    1,428,595.42x = 1,545,629,157,956.95
  5. Step 5: Solve for x
    x = 1,545,629,157,956.95/1,428,595.42
  6. Step 6: Final answer
    x = 1,081,922.24

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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.