Home / 990,403.14-1,366,756.32-537,694.14

Finding the Fourth Proportional to 990,403.14, 1,366,756.32 and 537,694.14

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Solution

The fourth proportional to 990,403.14, 1,366,756.32 and 537,694.14 is: 742,017.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,403.14 : 1,366,756.32 = 537,694.14 : x
  2. Step 2: Convert to fraction form
    990,403.14/1,366,756.32 = 537,694.14/x
  3. Step 3: Cross multiply
    990,403.14x = 1,366,756.32 × 537,694.14
  4. Step 4: Simplify right side
    990,403.14x = 734,896,864,071.97
  5. Step 5: Solve for x
    x = 734,896,864,071.97/990,403.14
  6. Step 6: Final answer
    x = 742,017.91

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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.