Home / 1,403,576.54-2,103,620.63-644,612.82

Finding the Fourth Proportional to 1,403,576.54, 2,103,620.63 and 644,612.82

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Solution

The fourth proportional to 1,403,576.54, 2,103,620.63 and 644,612.82 is: 966,118.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,576.54 : 2,103,620.63 = 644,612.82 : x
  2. Step 2: Convert to fraction form
    1,403,576.54/2,103,620.63 = 644,612.82/x
  3. Step 3: Cross multiply
    1,403,576.54x = 2,103,620.63 × 644,612.82
  4. Step 4: Simplify right side
    1,403,576.54x = 1,356,020,815,402.84
  5. Step 5: Solve for x
    x = 1,356,020,815,402.84/1,403,576.54
  6. Step 6: Final answer
    x = 966,118.18

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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.