Home / 1,007,421.24-1,511,242.57-502,109.42

Finding the Fourth Proportional to 1,007,421.24, 1,511,242.57 and 502,109.42

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Solution

The fourth proportional to 1,007,421.24, 1,511,242.57 and 502,109.42 is: 753,219.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,421.24 : 1,511,242.57 = 502,109.42 : x
  2. Step 2: Convert to fraction form
    1,007,421.24/1,511,242.57 = 502,109.42/x
  3. Step 3: Cross multiply
    1,007,421.24x = 1,511,242.57 × 502,109.42
  4. Step 4: Simplify right side
    1,007,421.24x = 758,809,130,302.01
  5. Step 5: Solve for x
    x = 758,809,130,302.01/1,007,421.24
  6. Step 6: Final answer
    x = 753,219.31

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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.