Home / 1,115,042.95-1,672,627.98-316,261.70

Finding the Fourth Proportional to 1,115,042.95, 1,672,627.98 and 316,261.70

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Solution

The fourth proportional to 1,115,042.95, 1,672,627.98 and 316,261.70 is: 474,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,042.95 : 1,672,627.98 = 316,261.70 : x
  2. Step 2: Convert to fraction form
    1,115,042.95/1,672,627.98 = 316,261.70/x
  3. Step 3: Cross multiply
    1,115,042.95x = 1,672,627.98 × 316,261.70
  4. Step 4: Simplify right side
    1,115,042.95x = 528,988,168,422.37
  5. Step 5: Solve for x
    x = 528,988,168,422.37/1,115,042.95
  6. Step 6: Final answer
    x = 474,410.58

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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.