Home / 1,263,388-1,895,209.44-410,424.16

Finding the Fourth Proportional to 1,263,388, 1,895,209.44 and 410,424.16

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Solution

The fourth proportional to 1,263,388, 1,895,209.44 and 410,424.16 is: 615,677.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,388 : 1,895,209.44 = 410,424.16 : x
  2. Step 2: Convert to fraction form
    1,263,388/1,895,209.44 = 410,424.16/x
  3. Step 3: Cross multiply
    1,263,388x = 1,895,209.44 × 410,424.16
  4. Step 4: Simplify right side
    1,263,388x = 777,839,742,436.07
  5. Step 5: Solve for x
    x = 777,839,742,436.07/1,263,388
  6. Step 6: Final answer
    x = 615,677.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.