Home / 1,038,284-1,432,831.92-561,356

Finding the Fourth Proportional to 1,038,284, 1,432,831.92 and 561,356

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Solution

The fourth proportional to 1,038,284, 1,432,831.92 and 561,356 is: 774,671.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,284 : 1,432,831.92 = 561,356 : x
  2. Step 2: Convert to fraction form
    1,038,284/1,432,831.92 = 561,356/x
  3. Step 3: Cross multiply
    1,038,284x = 1,432,831.92 × 561,356
  4. Step 4: Simplify right side
    1,038,284x = 804,328,795,283.52
  5. Step 5: Solve for x
    x = 804,328,795,283.52/1,038,284
  6. Step 6: Final answer
    x = 774,671.28

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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.