Home / 934,102.90-1,398,201.90-668,382.40

Finding the Fourth Proportional to 934,102.90, 1,398,201.90 and 668,382.40

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Solution

The fourth proportional to 934,102.90, 1,398,201.90 and 668,382.40 is: 1,000,461.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,102.90 : 1,398,201.90 = 668,382.40 : x
  2. Step 2: Convert to fraction form
    934,102.90/1,398,201.90 = 668,382.40/x
  3. Step 3: Cross multiply
    934,102.90x = 1,398,201.90 × 668,382.40
  4. Step 4: Simplify right side
    934,102.90x = 934,533,541,606.56
  5. Step 5: Solve for x
    x = 934,533,541,606.56/934,102.90
  6. Step 6: Final answer
    x = 1,000,461.02

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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.