Home / 1,709,722.30-2,564,583.45-712,320.70

Finding the Fourth Proportional to 1,709,722.30, 2,564,583.45 and 712,320.70

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Solution

The fourth proportional to 1,709,722.30, 2,564,583.45 and 712,320.70 is: 1,068,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,722.30 : 2,564,583.45 = 712,320.70 : x
  2. Step 2: Convert to fraction form
    1,709,722.30/2,564,583.45 = 712,320.70/x
  3. Step 3: Cross multiply
    1,709,722.30x = 2,564,583.45 × 712,320.70
  4. Step 4: Simplify right side
    1,709,722.30x = 1,826,805,878,312.42
  5. Step 5: Solve for x
    x = 1,826,805,878,312.42/1,709,722.30
  6. Step 6: Final answer
    x = 1,068,481.05

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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.