Home / 1,708,330.10-2,563,479.30-644,135.90

Finding the Fourth Proportional to 1,708,330.10, 2,563,479.30 and 644,135.90

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Solution

The fourth proportional to 1,708,330.10, 2,563,479.30 and 644,135.90 is: 966,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,330.10 : 2,563,479.30 = 644,135.90 : x
  2. Step 2: Convert to fraction form
    1,708,330.10/2,563,479.30 = 644,135.90/x
  3. Step 3: Cross multiply
    1,708,330.10x = 2,563,479.30 × 644,135.90
  4. Step 4: Simplify right side
    1,708,330.10x = 1,651,229,046,036.87
  5. Step 5: Solve for x
    x = 1,651,229,046,036.87/1,708,330.10
  6. Step 6: Final answer
    x = 966,574.93

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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.