Home / 1,307,188.22-1,803,880.45-726,409.40

Finding the Fourth Proportional to 1,307,188.22, 1,803,880.45 and 726,409.40

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Solution

The fourth proportional to 1,307,188.22, 1,803,880.45 and 726,409.40 is: 1,002,423.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,188.22 : 1,803,880.45 = 726,409.40 : x
  2. Step 2: Convert to fraction form
    1,307,188.22/1,803,880.45 = 726,409.40/x
  3. Step 3: Cross multiply
    1,307,188.22x = 1,803,880.45 × 726,409.40
  4. Step 4: Simplify right side
    1,307,188.22x = 1,310,355,715,356.23
  5. Step 5: Solve for x
    x = 1,310,355,715,356.23/1,307,188.22
  6. Step 6: Final answer
    x = 1,002,423.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.