Home / 1,423,610.85-1,964,583.14-779,031.18

Finding the Fourth Proportional to 1,423,610.85, 1,964,583.14 and 779,031.18

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Solution

The fourth proportional to 1,423,610.85, 1,964,583.14 and 779,031.18 is: 1,075,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,610.85 : 1,964,583.14 = 779,031.18 : x
  2. Step 2: Convert to fraction form
    1,423,610.85/1,964,583.14 = 779,031.18/x
  3. Step 3: Cross multiply
    1,423,610.85x = 1,964,583.14 × 779,031.18
  4. Step 4: Simplify right side
    1,423,610.85x = 1,530,471,521,762.31
  5. Step 5: Solve for x
    x = 1,530,471,521,762.31/1,423,610.85
  6. Step 6: Final answer
    x = 1,075,063.12

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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.