Home / 1,057,323.96-1,586,296.98-425,912.76

Finding the Fourth Proportional to 1,057,323.96, 1,586,296.98 and 425,912.76

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Solution

The fourth proportional to 1,057,323.96, 1,586,296.98 and 425,912.76 is: 638,994.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,323.96 : 1,586,296.98 = 425,912.76 : x
  2. Step 2: Convert to fraction form
    1,057,323.96/1,586,296.98 = 425,912.76/x
  3. Step 3: Cross multiply
    1,057,323.96x = 1,586,296.98 × 425,912.76
  4. Step 4: Simplify right side
    1,057,323.96x = 675,624,124,931.47
  5. Step 5: Solve for x
    x = 675,624,124,931.47/1,057,323.96
  6. Step 6: Final answer
    x = 638,994.43

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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.