Home / 1,243,299.40-1,862,479.90-958,000.12

Finding the Fourth Proportional to 1,243,299.40, 1,862,479.90 and 958,000.12

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Solution

The fourth proportional to 1,243,299.40, 1,862,479.90 and 958,000.12 is: 1,435,097.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,299.40 : 1,862,479.90 = 958,000.12 : x
  2. Step 2: Convert to fraction form
    1,243,299.40/1,862,479.90 = 958,000.12/x
  3. Step 3: Cross multiply
    1,243,299.40x = 1,862,479.90 × 958,000.12
  4. Step 4: Simplify right side
    1,243,299.40x = 1,784,255,967,697.59
  5. Step 5: Solve for x
    x = 1,784,255,967,697.59/1,243,299.40
  6. Step 6: Final answer
    x = 1,435,097.59

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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.