Home / 1,316,443.20-1,974,081.60-606,688.80

Finding the Fourth Proportional to 1,316,443.20, 1,974,081.60 and 606,688.80

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Solution

The fourth proportional to 1,316,443.20, 1,974,081.60 and 606,688.80 is: 909,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,443.20 : 1,974,081.60 = 606,688.80 : x
  2. Step 2: Convert to fraction form
    1,316,443.20/1,974,081.60 = 606,688.80/x
  3. Step 3: Cross multiply
    1,316,443.20x = 1,974,081.60 × 606,688.80
  4. Step 4: Simplify right side
    1,316,443.20x = 1,197,653,197,006.08
  5. Step 5: Solve for x
    x = 1,197,653,197,006.08/1,316,443.20
  6. Step 6: Final answer
    x = 909,764.43

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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.