Home / 1,300,511.80-1,950,767.70-554,015.80

Finding the Fourth Proportional to 1,300,511.80, 1,950,767.70 and 554,015.80

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Solution

The fourth proportional to 1,300,511.80, 1,950,767.70 and 554,015.80 is: 831,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,511.80 : 1,950,767.70 = 554,015.80 : x
  2. Step 2: Convert to fraction form
    1,300,511.80/1,950,767.70 = 554,015.80/x
  3. Step 3: Cross multiply
    1,300,511.80x = 1,950,767.70 × 554,015.80
  4. Step 4: Simplify right side
    1,300,511.80x = 1,080,756,127,929.66
  5. Step 5: Solve for x
    x = 1,080,756,127,929.66/1,300,511.80
  6. Step 6: Final answer
    x = 831,023.70

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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.