Home / 1,423,635.96-1,964,617.76-779,056.12

Finding the Fourth Proportional to 1,423,635.96, 1,964,617.76 and 779,056.12

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Solution

The fourth proportional to 1,423,635.96, 1,964,617.76 and 779,056.12 is: 1,075,097.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,635.96 : 1,964,617.76 = 779,056.12 : x
  2. Step 2: Convert to fraction form
    1,423,635.96/1,964,617.76 = 779,056.12/x
  3. Step 3: Cross multiply
    1,423,635.96x = 1,964,617.76 × 779,056.12
  4. Step 4: Simplify right side
    1,423,635.96x = 1,530,547,489,388.69
  5. Step 5: Solve for x
    x = 1,530,547,489,388.69/1,423,635.96
  6. Step 6: Final answer
    x = 1,075,097.52

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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.