Home / 1,283,335.52-1,770,981.58-710,363.40

Finding the Fourth Proportional to 1,283,335.52, 1,770,981.58 and 710,363.40

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Solution

The fourth proportional to 1,283,335.52, 1,770,981.58 and 710,363.40 is: 980,289.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,335.52 : 1,770,981.58 = 710,363.40 : x
  2. Step 2: Convert to fraction form
    1,283,335.52/1,770,981.58 = 710,363.40/x
  3. Step 3: Cross multiply
    1,283,335.52x = 1,770,981.58 × 710,363.40
  4. Step 4: Simplify right side
    1,283,335.52x = 1,258,040,496,506.17
  5. Step 5: Solve for x
    x = 1,258,040,496,506.17/1,283,335.52
  6. Step 6: Final answer
    x = 980,289.63

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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.