Home / 1,006,353.72-1,509,530.31-689,851.08

Finding the Fourth Proportional to 1,006,353.72, 1,509,530.31 and 689,851.08

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Solution

The fourth proportional to 1,006,353.72, 1,509,530.31 and 689,851.08 is: 1,034,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,353.72 : 1,509,530.31 = 689,851.08 : x
  2. Step 2: Convert to fraction form
    1,006,353.72/1,509,530.31 = 689,851.08/x
  3. Step 3: Cross multiply
    1,006,353.72x = 1,509,530.31 × 689,851.08
  4. Step 4: Simplify right side
    1,006,353.72x = 1,041,351,114,646.23
  5. Step 5: Solve for x
    x = 1,041,351,114,646.23/1,006,353.72
  6. Step 6: Final answer
    x = 1,034,776.43

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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.