Home / 1,688,951.76-2,533,593.60-490,884

Finding the Fourth Proportional to 1,688,951.76, 2,533,593.60 and 490,884

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Solution

The fourth proportional to 1,688,951.76, 2,533,593.60 and 490,884 is: 736,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,951.76 : 2,533,593.60 = 490,884 : x
  2. Step 2: Convert to fraction form
    1,688,951.76/2,533,593.60 = 490,884/x
  3. Step 3: Cross multiply
    1,688,951.76x = 2,533,593.60 × 490,884
  4. Step 4: Simplify right side
    1,688,951.76x = 1,243,700,560,742.40
  5. Step 5: Solve for x
    x = 1,243,700,560,742.40/1,688,951.76
  6. Step 6: Final answer
    x = 736,374.24

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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.