Home / 1,008,968.93-1,513,008.14-289,147.27

Finding the Fourth Proportional to 1,008,968.93, 1,513,008.14 and 289,147.27

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Solution

The fourth proportional to 1,008,968.93, 1,513,008.14 and 289,147.27 is: 433,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,968.93 : 1,513,008.14 = 289,147.27 : x
  2. Step 2: Convert to fraction form
    1,008,968.93/1,513,008.14 = 289,147.27/x
  3. Step 3: Cross multiply
    1,008,968.93x = 1,513,008.14 × 289,147.27
  4. Step 4: Simplify right side
    1,008,968.93x = 437,482,173,168.78
  5. Step 5: Solve for x
    x = 437,482,173,168.78/1,008,968.93
  6. Step 6: Final answer
    x = 433,593.31

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1.5x scale

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.