Home / 1,211,580.74-1,817,390.04-358,738.88

Finding the Fourth Proportional to 1,211,580.74, 1,817,390.04 and 358,738.88

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Solution

The fourth proportional to 1,211,580.74, 1,817,390.04 and 358,738.88 is: 538,113.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,580.74 : 1,817,390.04 = 358,738.88 : x
  2. Step 2: Convert to fraction form
    1,211,580.74/1,817,390.04 = 358,738.88/x
  3. Step 3: Cross multiply
    1,211,580.74x = 1,817,390.04 × 358,738.88
  4. Step 4: Simplify right side
    1,211,580.74x = 651,968,467,472.76
  5. Step 5: Solve for x
    x = 651,968,467,472.76/1,211,580.74
  6. Step 6: Final answer
    x = 538,113.93

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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.