Home / 1,245,116.32-1,718,267.60-708,572.32

Finding the Fourth Proportional to 1,245,116.32, 1,718,267.60 and 708,572.32

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Solution

The fourth proportional to 1,245,116.32, 1,718,267.60 and 708,572.32 is: 977,833.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,116.32 : 1,718,267.60 = 708,572.32 : x
  2. Step 2: Convert to fraction form
    1,245,116.32/1,718,267.60 = 708,572.32/x
  3. Step 3: Cross multiply
    1,245,116.32x = 1,718,267.60 × 708,572.32
  4. Step 4: Simplify right side
    1,245,116.32x = 1,217,516,859,712.83
  5. Step 5: Solve for x
    x = 1,217,516,859,712.83/1,245,116.32
  6. Step 6: Final answer
    x = 977,833.83

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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.