Home / 1,659,205.80-2,488,808.70-712,415.40

Finding the Fourth Proportional to 1,659,205.80, 2,488,808.70 and 712,415.40

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Solution

The fourth proportional to 1,659,205.80, 2,488,808.70 and 712,415.40 is: 1,068,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,205.80 : 2,488,808.70 = 712,415.40 : x
  2. Step 2: Convert to fraction form
    1,659,205.80/2,488,808.70 = 712,415.40/x
  3. Step 3: Cross multiply
    1,659,205.80x = 2,488,808.70 × 712,415.40
  4. Step 4: Simplify right side
    1,659,205.80x = 1,773,065,645,533.98
  5. Step 5: Solve for x
    x = 1,773,065,645,533.98/1,659,205.80
  6. Step 6: Final answer
    x = 1,068,623.10

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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.