Home / 1,257,328.10-1,735,064.56-713,431.45

Finding the Fourth Proportional to 1,257,328.10, 1,735,064.56 and 713,431.45

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Solution

The fourth proportional to 1,257,328.10, 1,735,064.56 and 713,431.45 is: 984,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,328.10 : 1,735,064.56 = 713,431.45 : x
  2. Step 2: Convert to fraction form
    1,257,328.10/1,735,064.56 = 713,431.45/x
  3. Step 3: Cross multiply
    1,257,328.10x = 1,735,064.56 × 713,431.45
  4. Step 4: Simplify right side
    1,257,328.10x = 1,237,849,630,818.38
  5. Step 5: Solve for x
    x = 1,237,849,630,818.38/1,257,328.10
  6. Step 6: Final answer
    x = 984,508.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.