Home / 1,576,388.48-2,365,355.46-977,190.98

Finding the Fourth Proportional to 1,576,388.48, 2,365,355.46 and 977,190.98

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Solution

The fourth proportional to 1,576,388.48, 2,365,355.46 and 977,190.98 is: 1,466,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,388.48 : 2,365,355.46 = 977,190.98 : x
  2. Step 2: Convert to fraction form
    1,576,388.48/2,365,355.46 = 977,190.98/x
  3. Step 3: Cross multiply
    1,576,388.48x = 2,365,355.46 × 977,190.98
  4. Step 4: Simplify right side
    1,576,388.48x = 2,311,404,020,005.75
  5. Step 5: Solve for x
    x = 2,311,404,020,005.75/1,576,388.48
  6. Step 6: Final answer
    x = 1,466,265.49

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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.