Home / 1,069,303.77-1,475,594.15-639,329.85

Finding the Fourth Proportional to 1,069,303.77, 1,475,594.15 and 639,329.85

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Solution

The fourth proportional to 1,069,303.77, 1,475,594.15 and 639,329.85 is: 882,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,303.77 : 1,475,594.15 = 639,329.85 : x
  2. Step 2: Convert to fraction form
    1,069,303.77/1,475,594.15 = 639,329.85/x
  3. Step 3: Cross multiply
    1,069,303.77x = 1,475,594.15 × 639,329.85
  4. Step 4: Simplify right side
    1,069,303.77x = 943,391,383,383.73
  5. Step 5: Solve for x
    x = 943,391,383,383.73/1,069,303.77
  6. Step 6: Final answer
    x = 882,248.25

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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.