Home / 1,313,813.30-1,971,011.55-603,670.10

Finding the Fourth Proportional to 1,313,813.30, 1,971,011.55 and 603,670.10

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Solution

The fourth proportional to 1,313,813.30, 1,971,011.55 and 603,670.10 is: 905,639.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,813.30 : 1,971,011.55 = 603,670.10 : x
  2. Step 2: Convert to fraction form
    1,313,813.30/1,971,011.55 = 603,670.10/x
  3. Step 3: Cross multiply
    1,313,813.30x = 1,971,011.55 × 603,670.10
  4. Step 4: Simplify right side
    1,313,813.30x = 1,189,840,739,489.66
  5. Step 5: Solve for x
    x = 1,189,840,739,489.66/1,313,813.30
  6. Step 6: Final answer
    x = 905,639.13

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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.