Home / 1,419,599.25-2,128,349.10-858,509.01

Finding the Fourth Proportional to 1,419,599.25, 2,128,349.10 and 858,509.01

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Solution

The fourth proportional to 1,419,599.25, 2,128,349.10 and 858,509.01 is: 1,287,128.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,599.25 : 2,128,349.10 = 858,509.01 : x
  2. Step 2: Convert to fraction form
    1,419,599.25/2,128,349.10 = 858,509.01/x
  3. Step 3: Cross multiply
    1,419,599.25x = 2,128,349.10 × 858,509.01
  4. Step 4: Simplify right side
    1,419,599.25x = 1,827,206,878,775.39
  5. Step 5: Solve for x
    x = 1,827,206,878,775.39/1,419,599.25
  6. Step 6: Final answer
    x = 1,287,128.66

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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.