Home / 915,826.34-1,263,677.46-553,007.18

Finding the Fourth Proportional to 915,826.34, 1,263,677.46 and 553,007.18

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Solution

The fourth proportional to 915,826.34, 1,263,677.46 and 553,007.18 is: 763,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    915,826.34 : 1,263,677.46 = 553,007.18 : x
  2. Step 2: Convert to fraction form
    915,826.34/1,263,677.46 = 553,007.18/x
  3. Step 3: Cross multiply
    915,826.34x = 1,263,677.46 × 553,007.18
  4. Step 4: Simplify right side
    915,826.34x = 698,822,708,584.16
  5. Step 5: Solve for x
    x = 698,822,708,584.16/915,826.34
  6. Step 6: Final answer
    x = 763,051.55

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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.