Home / 1,240,492.50-1,711,752.05-696,623.87

Finding the Fourth Proportional to 1,240,492.50, 1,711,752.05 and 696,623.87

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Solution

The fourth proportional to 1,240,492.50, 1,711,752.05 and 696,623.87 is: 961,269.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,492.50 : 1,711,752.05 = 696,623.87 : x
  2. Step 2: Convert to fraction form
    1,240,492.50/1,711,752.05 = 696,623.87/x
  3. Step 3: Cross multiply
    1,240,492.50x = 1,711,752.05 × 696,623.87
  4. Step 4: Simplify right side
    1,240,492.50x = 1,192,447,343,572.37
  5. Step 5: Solve for x
    x = 1,192,447,343,572.37/1,240,492.50
  6. Step 6: Final answer
    x = 961,269.29

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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.