Home / 1,019,705.27-1,528,180.05-388,274.63

Finding the Fourth Proportional to 1,019,705.27, 1,528,180.05 and 388,274.63

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Solution

The fourth proportional to 1,019,705.27, 1,528,180.05 and 388,274.63 is: 581,887.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,705.27 : 1,528,180.05 = 388,274.63 : x
  2. Step 2: Convert to fraction form
    1,019,705.27/1,528,180.05 = 388,274.63/x
  3. Step 3: Cross multiply
    1,019,705.27x = 1,528,180.05 × 388,274.63
  4. Step 4: Simplify right side
    1,019,705.27x = 593,353,545,898.27
  5. Step 5: Solve for x
    x = 593,353,545,898.27/1,019,705.27
  6. Step 6: Final answer
    x = 581,887.30

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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.