Home / 1,105,646.98-1,658,479.71-306,990.81

Finding the Fourth Proportional to 1,105,646.98, 1,658,479.71 and 306,990.81

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Solution

The fourth proportional to 1,105,646.98, 1,658,479.71 and 306,990.81 is: 460,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,646.98 : 1,658,479.71 = 306,990.81 : x
  2. Step 2: Convert to fraction form
    1,105,646.98/1,658,479.71 = 306,990.81/x
  3. Step 3: Cross multiply
    1,105,646.98x = 1,658,479.71 × 306,990.81
  4. Step 4: Simplify right side
    1,105,646.98x = 509,138,029,541.47
  5. Step 5: Solve for x
    x = 509,138,029,541.47/1,105,646.98
  6. Step 6: Final answer
    x = 460,488.78

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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.