Home / 1,318,360.48-1,977,724.53-407,617.30

Finding the Fourth Proportional to 1,318,360.48, 1,977,724.53 and 407,617.30

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Solution

The fourth proportional to 1,318,360.48, 1,977,724.53 and 407,617.30 is: 611,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,360.48 : 1,977,724.53 = 407,617.30 : x
  2. Step 2: Convert to fraction form
    1,318,360.48/1,977,724.53 = 407,617.30/x
  3. Step 3: Cross multiply
    1,318,360.48x = 1,977,724.53 × 407,617.30
  4. Step 4: Simplify right side
    1,318,360.48x = 806,154,733,062.37
  5. Step 5: Solve for x
    x = 806,154,733,062.37/1,318,360.48
  6. Step 6: Final answer
    x = 611,482.78

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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.