Home / 1,688,910.40-2,533,531.92-490,843.18

Finding the Fourth Proportional to 1,688,910.40, 2,533,531.92 and 490,843.18

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Solution

The fourth proportional to 1,688,910.40, 2,533,531.92 and 490,843.18 is: 736,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,910.40 : 2,533,531.92 = 490,843.18 : x
  2. Step 2: Convert to fraction form
    1,688,910.40/2,533,531.92 = 490,843.18/x
  3. Step 3: Cross multiply
    1,688,910.40x = 2,533,531.92 × 490,843.18
  4. Step 4: Simplify right side
    1,688,910.40x = 1,243,566,864,244.31
  5. Step 5: Solve for x
    x = 1,243,566,864,244.31/1,688,910.40
  6. Step 6: Final answer
    x = 736,313.11

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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.