Home / 1,690,946-2,333,754.76-1,070,807.74

Finding the Fourth Proportional to 1,690,946, 2,333,754.76 and 1,070,807.74

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Solution

The fourth proportional to 1,690,946, 2,333,754.76 and 1,070,807.74 is: 1,477,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,946 : 2,333,754.76 = 1,070,807.74 : x
  2. Step 2: Convert to fraction form
    1,690,946/2,333,754.76 = 1,070,807.74/x
  3. Step 3: Cross multiply
    1,690,946x = 2,333,754.76 × 1,070,807.74
  4. Step 4: Simplify right side
    1,690,946x = 2,499,002,660,269.84
  5. Step 5: Solve for x
    x = 2,499,002,660,269.84/1,690,946
  6. Step 6: Final answer
    x = 1,477,872.54

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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.