Home / 1,724,600.17-2,380,002.16-989,688.89

Finding the Fourth Proportional to 1,724,600.17, 2,380,002.16 and 989,688.89

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Solution

The fourth proportional to 1,724,600.17, 2,380,002.16 and 989,688.89 is: 1,365,801.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,600.17 : 2,380,002.16 = 989,688.89 : x
  2. Step 2: Convert to fraction form
    1,724,600.17/2,380,002.16 = 989,688.89/x
  3. Step 3: Cross multiply
    1,724,600.17x = 2,380,002.16 × 989,688.89
  4. Step 4: Simplify right side
    1,724,600.17x = 2,355,461,699,403.79
  5. Step 5: Solve for x
    x = 2,355,461,699,403.79/1,724,600.17
  6. Step 6: Final answer
    x = 1,365,801.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.