Home / 1,430,988.47-2,147,466.86-589,540.22

Finding the Fourth Proportional to 1,430,988.47, 2,147,466.86 and 589,540.22

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Solution

The fourth proportional to 1,430,988.47, 2,147,466.86 and 589,540.22 is: 884,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,988.47 : 2,147,466.86 = 589,540.22 : x
  2. Step 2: Convert to fraction form
    1,430,988.47/2,147,466.86 = 589,540.22/x
  3. Step 3: Cross multiply
    1,430,988.47x = 2,147,466.86 × 589,540.22
  4. Step 4: Simplify right side
    1,430,988.47x = 1,266,018,087,508.08
  5. Step 5: Solve for x
    x = 1,266,018,087,508.08/1,430,988.47
  6. Step 6: Final answer
    x = 884,715.78

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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.