Home / 928,515.92-1,390,980.48-684,927.84

Finding the Fourth Proportional to 928,515.92, 1,390,980.48 and 684,927.84

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Solution

The fourth proportional to 928,515.92, 1,390,980.48 and 684,927.84 is: 1,026,068.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,515.92 : 1,390,980.48 = 684,927.84 : x
  2. Step 2: Convert to fraction form
    928,515.92/1,390,980.48 = 684,927.84/x
  3. Step 3: Cross multiply
    928,515.92x = 1,390,980.48 × 684,927.84
  4. Step 4: Simplify right side
    928,515.92x = 952,721,255,648.56
  5. Step 5: Solve for x
    x = 952,721,255,648.56/928,515.92
  6. Step 6: Final answer
    x = 1,026,068.84

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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.