Home / 1,690,382.71-2,535,990-492,316.30

Finding the Fourth Proportional to 1,690,382.71, 2,535,990 and 492,316.30

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Solution

The fourth proportional to 1,690,382.71, 2,535,990 and 492,316.30 is: 738,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,382.71 : 2,535,990 = 492,316.30 : x
  2. Step 2: Convert to fraction form
    1,690,382.71/2,535,990 = 492,316.30/x
  3. Step 3: Cross multiply
    1,690,382.71x = 2,535,990 × 492,316.30
  4. Step 4: Simplify right side
    1,690,382.71x = 1,248,509,213,637
  5. Step 5: Solve for x
    x = 1,248,509,213,637/1,690,382.71
  6. Step 6: Final answer
    x = 738,595.59

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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.