Home / 1,256,885.70-1,885,303.02-310,264.62

Finding the Fourth Proportional to 1,256,885.70, 1,885,303.02 and 310,264.62

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Solution

The fourth proportional to 1,256,885.70, 1,885,303.02 and 310,264.62 is: 465,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,885.70 : 1,885,303.02 = 310,264.62 : x
  2. Step 2: Convert to fraction form
    1,256,885.70/1,885,303.02 = 310,264.62/x
  3. Step 3: Cross multiply
    1,256,885.70x = 1,885,303.02 × 310,264.62
  4. Step 4: Simplify right side
    1,256,885.70x = 584,942,825,085.15
  5. Step 5: Solve for x
    x = 584,942,825,085.15/1,256,885.70
  6. Step 6: Final answer
    x = 465,390.63

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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.