Home / 1,009,766.75-1,393,482.63-550,879.92

Finding the Fourth Proportional to 1,009,766.75, 1,393,482.63 and 550,879.92

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Solution

The fourth proportional to 1,009,766.75, 1,393,482.63 and 550,879.92 is: 760,216.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,766.75 : 1,393,482.63 = 550,879.92 : x
  2. Step 2: Convert to fraction form
    1,009,766.75/1,393,482.63 = 550,879.92/x
  3. Step 3: Cross multiply
    1,009,766.75x = 1,393,482.63 × 550,879.92
  4. Step 4: Simplify right side
    1,009,766.75x = 767,641,602,895.55
  5. Step 5: Solve for x
    x = 767,641,602,895.55/1,009,766.75
  6. Step 6: Final answer
    x = 760,216.76

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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.