Home / 1,313,692.90-1,812,898.80-710,080.90

Finding the Fourth Proportional to 1,313,692.90, 1,812,898.80 and 710,080.90

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Solution

The fourth proportional to 1,313,692.90, 1,812,898.80 and 710,080.90 is: 979,913.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,692.90 : 1,812,898.80 = 710,080.90 : x
  2. Step 2: Convert to fraction form
    1,313,692.90/1,812,898.80 = 710,080.90/x
  3. Step 3: Cross multiply
    1,313,692.90x = 1,812,898.80 × 710,080.90
  4. Step 4: Simplify right side
    1,313,692.90x = 1,287,304,811,512.92
  5. Step 5: Solve for x
    x = 1,287,304,811,512.92/1,313,692.90
  6. Step 6: Final answer
    x = 979,913.05

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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.