Home / 1,282,492.52-1,769,826.54-709,536.79

Finding the Fourth Proportional to 1,282,492.52, 1,769,826.54 and 709,536.79

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Solution

The fourth proportional to 1,282,492.52, 1,769,826.54 and 709,536.79 is: 979,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,492.52 : 1,769,826.54 = 709,536.79 : x
  2. Step 2: Convert to fraction form
    1,282,492.52/1,769,826.54 = 709,536.79/x
  3. Step 3: Cross multiply
    1,282,492.52x = 1,769,826.54 × 709,536.79
  4. Step 4: Simplify right side
    1,282,492.52x = 1,255,757,035,957.10
  5. Step 5: Solve for x
    x = 1,255,757,035,957.10/1,282,492.52
  6. Step 6: Final answer
    x = 979,153.50

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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.