Home / 1,507,795.60-2,261,693.40-385,864.60

Finding the Fourth Proportional to 1,507,795.60, 2,261,693.40 and 385,864.60

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Solution

The fourth proportional to 1,507,795.60, 2,261,693.40 and 385,864.60 is: 578,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,795.60 : 2,261,693.40 = 385,864.60 : x
  2. Step 2: Convert to fraction form
    1,507,795.60/2,261,693.40 = 385,864.60/x
  3. Step 3: Cross multiply
    1,507,795.60x = 2,261,693.40 × 385,864.60
  4. Step 4: Simplify right side
    1,507,795.60x = 872,707,419,113.64
  5. Step 5: Solve for x
    x = 872,707,419,113.64/1,507,795.60
  6. Step 6: Final answer
    x = 578,796.90

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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.