Home / 1,950,041.80-2,925,062.70-687,705.40

Finding the Fourth Proportional to 1,950,041.80, 2,925,062.70 and 687,705.40

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Solution

The fourth proportional to 1,950,041.80, 2,925,062.70 and 687,705.40 is: 1,031,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950,041.80 : 2,925,062.70 = 687,705.40 : x
  2. Step 2: Convert to fraction form
    1,950,041.80/2,925,062.70 = 687,705.40/x
  3. Step 3: Cross multiply
    1,950,041.80x = 2,925,062.70 × 687,705.40
  4. Step 4: Simplify right side
    1,950,041.80x = 2,011,581,414,128.58
  5. Step 5: Solve for x
    x = 2,011,581,414,128.58/1,950,041.80
  6. Step 6: Final answer
    x = 1,031,558.10

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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.