Home / 1,075,302.69-1,612,958.26-435,618.51

Finding the Fourth Proportional to 1,075,302.69, 1,612,958.26 and 435,618.51

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Solution

The fourth proportional to 1,075,302.69, 1,612,958.26 and 435,618.51 is: 653,429.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,302.69 : 1,612,958.26 = 435,618.51 : x
  2. Step 2: Convert to fraction form
    1,075,302.69/1,612,958.26 = 435,618.51/x
  3. Step 3: Cross multiply
    1,075,302.69x = 1,612,958.26 × 435,618.51
  4. Step 4: Simplify right side
    1,075,302.69x = 702,634,473,913.39
  5. Step 5: Solve for x
    x = 702,634,473,913.39/1,075,302.69
  6. Step 6: Final answer
    x = 653,429.48

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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.