Home / 1,208,697.12-1,820,239.92-1,052,807.76

Finding the Fourth Proportional to 1,208,697.12, 1,820,239.92 and 1,052,807.76

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Solution

The fourth proportional to 1,208,697.12, 1,820,239.92 and 1,052,807.76 is: 1,585,478.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,697.12 : 1,820,239.92 = 1,052,807.76 : x
  2. Step 2: Convert to fraction form
    1,208,697.12/1,820,239.92 = 1,052,807.76/x
  3. Step 3: Cross multiply
    1,208,697.12x = 1,820,239.92 × 1,052,807.76
  4. Step 4: Simplify right side
    1,208,697.12x = 1,916,362,712,837.78
  5. Step 5: Solve for x
    x = 1,916,362,712,837.78/1,208,697.12
  6. Step 6: Final answer
    x = 1,585,478.02

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.