Home / 1,308,573.29-1,962,531.79-928,385.21

Finding the Fourth Proportional to 1,308,573.29, 1,962,531.79 and 928,385.21

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Solution

The fourth proportional to 1,308,573.29, 1,962,531.79 and 928,385.21 is: 1,392,345.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,573.29 : 1,962,531.79 = 928,385.21 : x
  2. Step 2: Convert to fraction form
    1,308,573.29/1,962,531.79 = 928,385.21/x
  3. Step 3: Cross multiply
    1,308,573.29x = 1,962,531.79 × 928,385.21
  4. Step 4: Simplify right side
    1,308,573.29x = 1,821,985,490,576.19
  5. Step 5: Solve for x
    x = 1,821,985,490,576.19/1,308,573.29
  6. Step 6: Final answer
    x = 1,392,345.01

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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.