Home / 1,423,609.61-1,964,581.42-779,029.93

Finding the Fourth Proportional to 1,423,609.61, 1,964,581.42 and 779,029.93

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Solution

The fourth proportional to 1,423,609.61, 1,964,581.42 and 779,029.93 is: 1,075,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,609.61 : 1,964,581.42 = 779,029.93 : x
  2. Step 2: Convert to fraction form
    1,423,609.61/1,964,581.42 = 779,029.93/x
  3. Step 3: Cross multiply
    1,423,609.61x = 1,964,581.42 × 779,029.93
  4. Step 4: Simplify right side
    1,423,609.61x = 1,530,467,719,242.87
  5. Step 5: Solve for x
    x = 1,530,467,719,242.87/1,423,609.61
  6. Step 6: Final answer
    x = 1,075,061.39

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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.