Home / 1,137,570.78-1,706,356.18-338,831.56

Finding the Fourth Proportional to 1,137,570.78, 1,706,356.18 and 338,831.56

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Solution

The fourth proportional to 1,137,570.78, 1,706,356.18 and 338,831.56 is: 508,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,570.78 : 1,706,356.18 = 338,831.56 : x
  2. Step 2: Convert to fraction form
    1,137,570.78/1,706,356.18 = 338,831.56/x
  3. Step 3: Cross multiply
    1,137,570.78x = 1,706,356.18 × 338,831.56
  4. Step 4: Simplify right side
    1,137,570.78x = 578,167,326,385.04
  5. Step 5: Solve for x
    x = 578,167,326,385.04/1,137,570.78
  6. Step 6: Final answer
    x = 508,247.34

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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.