Home / 1,315,135.04-1,972,814.27-462,132.95

Finding the Fourth Proportional to 1,315,135.04, 1,972,814.27 and 462,132.95

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Solution

The fourth proportional to 1,315,135.04, 1,972,814.27 and 462,132.95 is: 693,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,135.04 : 1,972,814.27 = 462,132.95 : x
  2. Step 2: Convert to fraction form
    1,315,135.04/1,972,814.27 = 462,132.95/x
  3. Step 3: Cross multiply
    1,315,135.04x = 1,972,814.27 × 462,132.95
  4. Step 4: Simplify right side
    1,315,135.04x = 911,702,466,222.46
  5. Step 5: Solve for x
    x = 911,702,466,222.46/1,315,135.04
  6. Step 6: Final answer
    x = 693,238.67

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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.