Home / 1,240,012.48-1,711,158.96-688,763.96

Finding the Fourth Proportional to 1,240,012.48, 1,711,158.96 and 688,763.96

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Solution

The fourth proportional to 1,240,012.48, 1,711,158.96 and 688,763.96 is: 950,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,012.48 : 1,711,158.96 = 688,763.96 : x
  2. Step 2: Convert to fraction form
    1,240,012.48/1,711,158.96 = 688,763.96/x
  3. Step 3: Cross multiply
    1,240,012.48x = 1,711,158.96 × 688,763.96
  4. Step 4: Simplify right side
    1,240,012.48x = 1,178,584,621,479.08
  5. Step 5: Solve for x
    x = 1,178,584,621,479.08/1,240,012.48
  6. Step 6: Final answer
    x = 950,461.90

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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.