Home / 962,100.12-1,442,916.90-400,828.44

Finding the Fourth Proportional to 962,100.12, 1,442,916.90 and 400,828.44

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Solution

The fourth proportional to 962,100.12, 1,442,916.90 and 400,828.44 is: 601,145.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    962,100.12 : 1,442,916.90 = 400,828.44 : x
  2. Step 2: Convert to fraction form
    962,100.12/1,442,916.90 = 400,828.44/x
  3. Step 3: Cross multiply
    962,100.12x = 1,442,916.90 × 400,828.44
  4. Step 4: Simplify right side
    962,100.12x = 578,362,130,076.64
  5. Step 5: Solve for x
    x = 578,362,130,076.64/962,100.12
  6. Step 6: Final answer
    x = 601,145.47

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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.