Home / 1,587,231.76-2,190,123.90-975,187.68

Finding the Fourth Proportional to 1,587,231.76, 2,190,123.90 and 975,187.68

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Solution

The fourth proportional to 1,587,231.76, 2,190,123.90 and 975,187.68 is: 1,345,601.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,231.76 : 2,190,123.90 = 975,187.68 : x
  2. Step 2: Convert to fraction form
    1,587,231.76/2,190,123.90 = 975,187.68/x
  3. Step 3: Cross multiply
    1,587,231.76x = 2,190,123.90 × 975,187.68
  4. Step 4: Simplify right side
    1,587,231.76x = 2,135,781,844,953.55
  5. Step 5: Solve for x
    x = 2,135,781,844,953.55/1,587,231.76
  6. Step 6: Final answer
    x = 1,345,601.76

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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.