Home / 1,423,636.61-1,964,618.57-779,056.83

Finding the Fourth Proportional to 1,423,636.61, 1,964,618.57 and 779,056.83

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Solution

The fourth proportional to 1,423,636.61, 1,964,618.57 and 779,056.83 is: 1,075,098.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,636.61 : 1,964,618.57 = 779,056.83 : x
  2. Step 2: Convert to fraction form
    1,423,636.61/1,964,618.57 = 779,056.83/x
  3. Step 3: Cross multiply
    1,423,636.61x = 1,964,618.57 × 779,056.83
  4. Step 4: Simplify right side
    1,423,636.61x = 1,530,549,517,250.98
  5. Step 5: Solve for x
    x = 1,530,549,517,250.98/1,423,636.61
  6. Step 6: Final answer
    x = 1,075,098.46

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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.