Home / 1,038,078.78-1,432,567.38-608,480.70

Finding the Fourth Proportional to 1,038,078.78, 1,432,567.38 and 608,480.70

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Solution

The fourth proportional to 1,038,078.78, 1,432,567.38 and 608,480.70 is: 839,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,078.78 : 1,432,567.38 = 608,480.70 : x
  2. Step 2: Convert to fraction form
    1,038,078.78/1,432,567.38 = 608,480.70/x
  3. Step 3: Cross multiply
    1,038,078.78x = 1,432,567.38 × 608,480.70
  4. Step 4: Simplify right side
    1,038,078.78x = 871,689,602,179.57
  5. Step 5: Solve for x
    x = 871,689,602,179.57/1,038,078.78
  6. Step 6: Final answer
    x = 839,714.31

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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.