Home / 1,688,458.24-2,532,689.70-490,384

Finding the Fourth Proportional to 1,688,458.24, 2,532,689.70 and 490,384

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Solution

The fourth proportional to 1,688,458.24, 2,532,689.70 and 490,384 is: 735,576.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,458.24 : 2,532,689.70 = 490,384 : x
  2. Step 2: Convert to fraction form
    1,688,458.24/2,532,689.70 = 490,384/x
  3. Step 3: Cross multiply
    1,688,458.24x = 2,532,689.70 × 490,384
  4. Step 4: Simplify right side
    1,688,458.24x = 1,241,990,505,844.80
  5. Step 5: Solve for x
    x = 1,241,990,505,844.80/1,688,458.24
  6. Step 6: Final answer
    x = 735,576.68

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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.