Home / 1,688,969.76-2,533,620.60-490,902

Finding the Fourth Proportional to 1,688,969.76, 2,533,620.60 and 490,902

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Solution

The fourth proportional to 1,688,969.76, 2,533,620.60 and 490,902 is: 736,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,969.76 : 2,533,620.60 = 490,902 : x
  2. Step 2: Convert to fraction form
    1,688,969.76/2,533,620.60 = 490,902/x
  3. Step 3: Cross multiply
    1,688,969.76x = 2,533,620.60 × 490,902
  4. Step 4: Simplify right side
    1,688,969.76x = 1,243,759,419,781.20
  5. Step 5: Solve for x
    x = 1,243,759,419,781.20/1,688,969.76
  6. Step 6: Final answer
    x = 736,401.24

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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.