Home / 1,784,807.70-2,463,129.10-1,020,990.66

Finding the Fourth Proportional to 1,784,807.70, 2,463,129.10 and 1,020,990.66

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Solution

The fourth proportional to 1,784,807.70, 2,463,129.10 and 1,020,990.66 is: 1,409,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,807.70 : 2,463,129.10 = 1,020,990.66 : x
  2. Step 2: Convert to fraction form
    1,784,807.70/2,463,129.10 = 1,020,990.66/x
  3. Step 3: Cross multiply
    1,784,807.70x = 2,463,129.10 × 1,020,990.66
  4. Step 4: Simplify right side
    1,784,807.70x = 2,514,831,805,474.21
  5. Step 5: Solve for x
    x = 2,514,831,805,474.21/1,784,807.70
  6. Step 6: Final answer
    x = 1,409,021.15

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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.