Home / 991,717.01-1,488,136.01-423,044.39

Finding the Fourth Proportional to 991,717.01, 1,488,136.01 and 423,044.39

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Solution

The fourth proportional to 991,717.01, 1,488,136.01 and 423,044.39 is: 634,805.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,717.01 : 1,488,136.01 = 423,044.39 : x
  2. Step 2: Convert to fraction form
    991,717.01/1,488,136.01 = 423,044.39/x
  3. Step 3: Cross multiply
    991,717.01x = 1,488,136.01 × 423,044.39
  4. Step 4: Simplify right side
    991,717.01x = 629,547,581,031.58
  5. Step 5: Solve for x
    x = 629,547,581,031.58/991,717.01
  6. Step 6: Final answer
    x = 634,805.67

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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.