Home / 1,531,162.53-2,297,259-678,115.89

Finding the Fourth Proportional to 1,531,162.53, 2,297,259 and 678,115.89

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Solution

The fourth proportional to 1,531,162.53, 2,297,259 and 678,115.89 is: 1,017,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,162.53 : 2,297,259 = 678,115.89 : x
  2. Step 2: Convert to fraction form
    1,531,162.53/2,297,259 = 678,115.89/x
  3. Step 3: Cross multiply
    1,531,162.53x = 2,297,259 × 678,115.89
  4. Step 4: Simplify right side
    1,531,162.53x = 1,557,807,831,345.51
  5. Step 5: Solve for x
    x = 1,557,807,831,345.51/1,531,162.53
  6. Step 6: Final answer
    x = 1,017,402.01

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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.