Home / 990,106.37-1,366,349.42-537,397.37

Finding the Fourth Proportional to 990,106.37, 1,366,349.42 and 537,397.37

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Solution

The fourth proportional to 990,106.37, 1,366,349.42 and 537,397.37 is: 741,609.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,106.37 : 1,366,349.42 = 537,397.37 : x
  2. Step 2: Convert to fraction form
    990,106.37/1,366,349.42 = 537,397.37/x
  3. Step 3: Cross multiply
    990,106.37x = 1,366,349.42 × 537,397.37
  4. Step 4: Simplify right side
    990,106.37x = 734,272,582,122.04
  5. Step 5: Solve for x
    x = 734,272,582,122.04/990,106.37
  6. Step 6: Final answer
    x = 741,609.80

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1.5x scale

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.