Home / 1,588,126.48-2,191,626.60-862,978.12

Finding the Fourth Proportional to 1,588,126.48, 2,191,626.60 and 862,978.12

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Solution

The fourth proportional to 1,588,126.48, 2,191,626.60 and 862,978.12 is: 1,190,916.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,126.48 : 2,191,626.60 = 862,978.12 : x
  2. Step 2: Convert to fraction form
    1,588,126.48/2,191,626.60 = 862,978.12/x
  3. Step 3: Cross multiply
    1,588,126.48x = 2,191,626.60 × 862,978.12
  4. Step 4: Simplify right side
    1,588,126.48x = 1,891,325,803,009.99
  5. Step 5: Solve for x
    x = 1,891,325,803,009.99/1,588,126.48
  6. Step 6: Final answer
    x = 1,190,916.36

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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.