Home / 1,116,640.28-1,675,114.86-358,303.48

Finding the Fourth Proportional to 1,116,640.28, 1,675,114.86 and 358,303.48

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Solution

The fourth proportional to 1,116,640.28, 1,675,114.86 and 358,303.48 is: 537,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,640.28 : 1,675,114.86 = 358,303.48 : x
  2. Step 2: Convert to fraction form
    1,116,640.28/1,675,114.86 = 358,303.48/x
  3. Step 3: Cross multiply
    1,116,640.28x = 1,675,114.86 × 358,303.48
  4. Step 4: Simplify right side
    1,116,640.28x = 600,199,483,737.71
  5. Step 5: Solve for x
    x = 600,199,483,737.71/1,116,640.28
  6. Step 6: Final answer
    x = 537,504.78

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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.