Home / 1,423,997.39-1,965,113.10-779,411.95

Finding the Fourth Proportional to 1,423,997.39, 1,965,113.10 and 779,411.95

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Solution

The fourth proportional to 1,423,997.39, 1,965,113.10 and 779,411.95 is: 1,075,586.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,997.39 : 1,965,113.10 = 779,411.95 : x
  2. Step 2: Convert to fraction form
    1,423,997.39/1,965,113.10 = 779,411.95/x
  3. Step 3: Cross multiply
    1,423,997.39x = 1,965,113.10 × 779,411.95
  4. Step 4: Simplify right side
    1,423,997.39x = 1,531,632,628,328.76
  5. Step 5: Solve for x
    x = 1,531,632,628,328.76/1,423,997.39
  6. Step 6: Final answer
    x = 1,075,586.68

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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.