Home / 1,347,397.79-2,021,415.23-436,578.73

Finding the Fourth Proportional to 1,347,397.79, 2,021,415.23 and 436,578.73

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Solution

The fourth proportional to 1,347,397.79, 2,021,415.23 and 436,578.73 is: 654,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,397.79 : 2,021,415.23 = 436,578.73 : x
  2. Step 2: Convert to fraction form
    1,347,397.79/2,021,415.23 = 436,578.73/x
  3. Step 3: Cross multiply
    1,347,397.79x = 2,021,415.23 × 436,578.73
  4. Step 4: Simplify right side
    1,347,397.79x = 882,506,887,498.21
  5. Step 5: Solve for x
    x = 882,506,887,498.21/1,347,397.79
  6. Step 6: Final answer
    x = 654,971.30

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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.