Home / 1,384,812.50-1,911,047.01-748,908.50

Finding the Fourth Proportional to 1,384,812.50, 1,911,047.01 and 748,908.50

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Solution

The fourth proportional to 1,384,812.50, 1,911,047.01 and 748,908.50 is: 1,033,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,812.50 : 1,911,047.01 = 748,908.50 : x
  2. Step 2: Convert to fraction form
    1,384,812.50/1,911,047.01 = 748,908.50/x
  3. Step 3: Cross multiply
    1,384,812.50x = 1,911,047.01 × 748,908.50
  4. Step 4: Simplify right side
    1,384,812.50x = 1,431,199,349,688.59
  5. Step 5: Solve for x
    x = 1,431,199,349,688.59/1,384,812.50
  6. Step 6: Final answer
    x = 1,033,496.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.