Home / 1,472,814-2,209,247.88-461,913.36

Finding the Fourth Proportional to 1,472,814, 2,209,247.88 and 461,913.36

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Solution

The fourth proportional to 1,472,814, 2,209,247.88 and 461,913.36 is: 692,878.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,814 : 2,209,247.88 = 461,913.36 : x
  2. Step 2: Convert to fraction form
    1,472,814/2,209,247.88 = 461,913.36/x
  3. Step 3: Cross multiply
    1,472,814x = 2,209,247.88 × 461,913.36
  4. Step 4: Simplify right side
    1,472,814x = 1,020,481,111,323.68
  5. Step 5: Solve for x
    x = 1,020,481,111,323.68/1,472,814
  6. Step 6: Final answer
    x = 692,878.47

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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.