Home / 1,017,730.11-1,525,520.52-777,320.46

Finding the Fourth Proportional to 1,017,730.11, 1,525,520.52 and 777,320.46

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Solution

The fourth proportional to 1,017,730.11, 1,525,520.52 and 777,320.46 is: 1,165,159.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,730.11 : 1,525,520.52 = 777,320.46 : x
  2. Step 2: Convert to fraction form
    1,017,730.11/1,525,520.52 = 777,320.46/x
  3. Step 3: Cross multiply
    1,017,730.11x = 1,525,520.52 × 777,320.46
  4. Step 4: Simplify right side
    1,017,730.11x = 1,185,818,312,345.84
  5. Step 5: Solve for x
    x = 1,185,818,312,345.84/1,017,730.11
  6. Step 6: Final answer
    x = 1,165,159.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.