Home / 1,475,325.93-2,036,143.80-830,872.11

Finding the Fourth Proportional to 1,475,325.93, 2,036,143.80 and 830,872.11

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Solution

The fourth proportional to 1,475,325.93, 2,036,143.80 and 830,872.11 is: 1,146,712.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,325.93 : 2,036,143.80 = 830,872.11 : x
  2. Step 2: Convert to fraction form
    1,475,325.93/2,036,143.80 = 830,872.11/x
  3. Step 3: Cross multiply
    1,475,325.93x = 2,036,143.80 × 830,872.11
  4. Step 4: Simplify right side
    1,475,325.93x = 1,691,775,095,369.42
  5. Step 5: Solve for x
    x = 1,691,775,095,369.42/1,475,325.93
  6. Step 6: Final answer
    x = 1,146,712.78

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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.