Home / 1,348,031.67-2,023,051.76-989,129.91

Finding the Fourth Proportional to 1,348,031.67, 2,023,051.76 and 989,129.91

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Solution

The fourth proportional to 1,348,031.67, 2,023,051.76 and 989,129.91 is: 1,484,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,031.67 : 2,023,051.76 = 989,129.91 : x
  2. Step 2: Convert to fraction form
    1,348,031.67/2,023,051.76 = 989,129.91/x
  3. Step 3: Cross multiply
    1,348,031.67x = 2,023,051.76 × 989,129.91
  4. Step 4: Simplify right side
    1,348,031.67x = 2,001,061,012,824.60
  5. Step 5: Solve for x
    x = 2,001,061,012,824.60/1,348,031.67
  6. Step 6: Final answer
    x = 1,484,431.76

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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.