Home / 1,218,106.08-1,680,599.88-708,710.04

Finding the Fourth Proportional to 1,218,106.08, 1,680,599.88 and 708,710.04

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Solution

The fourth proportional to 1,218,106.08, 1,680,599.88 and 708,710.04 is: 977,794.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,106.08 : 1,680,599.88 = 708,710.04 : x
  2. Step 2: Convert to fraction form
    1,218,106.08/1,680,599.88 = 708,710.04/x
  3. Step 3: Cross multiply
    1,218,106.08x = 1,680,599.88 × 708,710.04
  4. Step 4: Simplify right side
    1,218,106.08x = 1,191,058,008,178.80
  5. Step 5: Solve for x
    x = 1,191,058,008,178.80/1,218,106.08
  6. Step 6: Final answer
    x = 977,794.98

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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.