Home / 1,281,341.54-1,768,288.23-708,418.62

Finding the Fourth Proportional to 1,281,341.54, 1,768,288.23 and 708,418.62

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Solution

The fourth proportional to 1,281,341.54, 1,768,288.23 and 708,418.62 is: 977,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,341.54 : 1,768,288.23 = 708,418.62 : x
  2. Step 2: Convert to fraction form
    1,281,341.54/1,768,288.23 = 708,418.62/x
  3. Step 3: Cross multiply
    1,281,341.54x = 1,768,288.23 × 708,418.62
  4. Step 4: Simplify right side
    1,281,341.54x = 1,252,688,307,658.84
  5. Step 5: Solve for x
    x = 1,252,688,307,658.84/1,281,341.54
  6. Step 6: Final answer
    x = 977,638.10

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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.