Home / 1,213,516-1,820,267.52-314,957.08

Finding the Fourth Proportional to 1,213,516, 1,820,267.52 and 314,957.08

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Solution

The fourth proportional to 1,213,516, 1,820,267.52 and 314,957.08 is: 472,433.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,516 : 1,820,267.52 = 314,957.08 : x
  2. Step 2: Convert to fraction form
    1,213,516/1,820,267.52 = 314,957.08/x
  3. Step 3: Cross multiply
    1,213,516x = 1,820,267.52 × 314,957.08
  4. Step 4: Simplify right side
    1,213,516x = 573,306,142,918.04
  5. Step 5: Solve for x
    x = 573,306,142,918.04/1,213,516
  6. Step 6: Final answer
    x = 472,433.94

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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.