Home / 1,009,826.30-1,393,511.63-550,913.57

Finding the Fourth Proportional to 1,009,826.30, 1,393,511.63 and 550,913.57

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Solution

The fourth proportional to 1,009,826.30, 1,393,511.63 and 550,913.57 is: 760,234.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,826.30 : 1,393,511.63 = 550,913.57 : x
  2. Step 2: Convert to fraction form
    1,009,826.30/1,393,511.63 = 550,913.57/x
  3. Step 3: Cross multiply
    1,009,826.30x = 1,393,511.63 × 550,913.57
  4. Step 4: Simplify right side
    1,009,826.30x = 767,704,466,919.82
  5. Step 5: Solve for x
    x = 767,704,466,919.82/1,009,826.30
  6. Step 6: Final answer
    x = 760,234.18

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1.5x scale

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.