Home / 1,636,732.80-2,455,099.20-515,145.60

Finding the Fourth Proportional to 1,636,732.80, 2,455,099.20 and 515,145.60

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Solution

The fourth proportional to 1,636,732.80, 2,455,099.20 and 515,145.60 is: 772,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,732.80 : 2,455,099.20 = 515,145.60 : x
  2. Step 2: Convert to fraction form
    1,636,732.80/2,455,099.20 = 515,145.60/x
  3. Step 3: Cross multiply
    1,636,732.80x = 2,455,099.20 × 515,145.60
  4. Step 4: Simplify right side
    1,636,732.80x = 1,264,733,550,443.52
  5. Step 5: Solve for x
    x = 1,264,733,550,443.52/1,636,732.80
  6. Step 6: Final answer
    x = 772,718.40

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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.