Home / 1,637,088.66-2,456,012.88-515,128.50

Finding the Fourth Proportional to 1,637,088.66, 2,456,012.88 and 515,128.50

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Solution

The fourth proportional to 1,637,088.66, 2,456,012.88 and 515,128.50 is: 772,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,088.66 : 2,456,012.88 = 515,128.50 : x
  2. Step 2: Convert to fraction form
    1,637,088.66/2,456,012.88 = 515,128.50/x
  3. Step 3: Cross multiply
    1,637,088.66x = 2,456,012.88 × 515,128.50
  4. Step 4: Simplify right side
    1,637,088.66x = 1,265,162,230,855.08
  5. Step 5: Solve for x
    x = 1,265,162,230,855.08/1,637,088.66
  6. Step 6: Final answer
    x = 772,812.29

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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.