Home / 988,812.80-1,483,116.48-671,004.80

Finding the Fourth Proportional to 988,812.80, 1,483,116.48 and 671,004.80

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Solution

The fourth proportional to 988,812.80, 1,483,116.48 and 671,004.80 is: 1,006,437.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,812.80 : 1,483,116.48 = 671,004.80 : x
  2. Step 2: Convert to fraction form
    988,812.80/1,483,116.48 = 671,004.80/x
  3. Step 3: Cross multiply
    988,812.80x = 1,483,116.48 × 671,004.80
  4. Step 4: Simplify right side
    988,812.80x = 995,178,277,039.10
  5. Step 5: Solve for x
    x = 995,178,277,039.10/988,812.80
  6. Step 6: Final answer
    x = 1,006,437.49

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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.