Home / 891,125.79-1,336,666.49-260,045.07

Finding the Fourth Proportional to 891,125.79, 1,336,666.49 and 260,045.07

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Solution

The fourth proportional to 891,125.79, 1,336,666.49 and 260,045.07 is: 390,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,125.79 : 1,336,666.49 = 260,045.07 : x
  2. Step 2: Convert to fraction form
    891,125.79/1,336,666.49 = 260,045.07/x
  3. Step 3: Cross multiply
    891,125.79x = 1,336,666.49 × 260,045.07
  4. Step 4: Simplify right side
    891,125.79x = 347,593,529,658.48
  5. Step 5: Solve for x
    x = 347,593,529,658.48/891,125.79
  6. Step 6: Final answer
    x = 390,061.13

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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.