Home / 1,313,307.09-1,812,645.59-829,564.56

Finding the Fourth Proportional to 1,313,307.09, 1,812,645.59 and 829,564.56

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Solution

The fourth proportional to 1,313,307.09, 1,812,645.59 and 829,564.56 is: 1,144,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,307.09 : 1,812,645.59 = 829,564.56 : x
  2. Step 2: Convert to fraction form
    1,313,307.09/1,812,645.59 = 829,564.56/x
  3. Step 3: Cross multiply
    1,313,307.09x = 1,812,645.59 × 829,564.56
  4. Step 4: Simplify right side
    1,313,307.09x = 1,503,706,537,156.47
  5. Step 5: Solve for x
    x = 1,503,706,537,156.47/1,313,307.09
  6. Step 6: Final answer
    x = 1,144,977.10

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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.