Home / 1,688,685.31-2,533,588.47-551,484.61

Finding the Fourth Proportional to 1,688,685.31, 2,533,588.47 and 551,484.61

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Solution

The fourth proportional to 1,688,685.31, 2,533,588.47 and 551,484.61 is: 827,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,685.31 : 2,533,588.47 = 551,484.61 : x
  2. Step 2: Convert to fraction form
    1,688,685.31/2,533,588.47 = 551,484.61/x
  3. Step 3: Cross multiply
    1,688,685.31x = 2,533,588.47 × 551,484.61
  4. Step 4: Simplify right side
    1,688,685.31x = 1,397,235,054,513.50
  5. Step 5: Solve for x
    x = 1,397,235,054,513.50/1,688,685.31
  6. Step 6: Final answer
    x = 827,409.97

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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.