Home / 1,522,537.65-2,282,158.40-990,438.93

Finding the Fourth Proportional to 1,522,537.65, 2,282,158.40 and 990,438.93

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Solution

The fourth proportional to 1,522,537.65, 2,282,158.40 and 990,438.93 is: 1,484,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,537.65 : 2,282,158.40 = 990,438.93 : x
  2. Step 2: Convert to fraction form
    1,522,537.65/2,282,158.40 = 990,438.93/x
  3. Step 3: Cross multiply
    1,522,537.65x = 2,282,158.40 × 990,438.93
  4. Step 4: Simplify right side
    1,522,537.65x = 2,260,338,518,834.32
  5. Step 5: Solve for x
    x = 2,260,338,518,834.32/1,522,537.65
  6. Step 6: Final answer
    x = 1,484,586.29

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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.