Home / 1,371,925.80-2,057,888.70-425,586.60

Finding the Fourth Proportional to 1,371,925.80, 2,057,888.70 and 425,586.60

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Solution

The fourth proportional to 1,371,925.80, 2,057,888.70 and 425,586.60 is: 638,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,925.80 : 2,057,888.70 = 425,586.60 : x
  2. Step 2: Convert to fraction form
    1,371,925.80/2,057,888.70 = 425,586.60/x
  3. Step 3: Cross multiply
    1,371,925.80x = 2,057,888.70 × 425,586.60
  4. Step 4: Simplify right side
    1,371,925.80x = 875,809,855,011.42
  5. Step 5: Solve for x
    x = 875,809,855,011.42/1,371,925.80
  6. Step 6: Final answer
    x = 638,379.90

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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.