Home / 1,218,303.13-1,680,730.56-734,599.56

Finding the Fourth Proportional to 1,218,303.13, 1,680,730.56 and 734,599.56

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Solution

The fourth proportional to 1,218,303.13, 1,680,730.56 and 734,599.56 is: 1,013,429.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,303.13 : 1,680,730.56 = 734,599.56 : x
  2. Step 2: Convert to fraction form
    1,218,303.13/1,680,730.56 = 734,599.56/x
  3. Step 3: Cross multiply
    1,218,303.13x = 1,680,730.56 × 734,599.56
  4. Step 4: Simplify right side
    1,218,303.13x = 1,234,663,926,181.56
  5. Step 5: Solve for x
    x = 1,234,663,926,181.56/1,218,303.13
  6. Step 6: Final answer
    x = 1,013,429.16

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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.