Home / 1,145,409.40-1,717,595.70-513,998.20

Finding the Fourth Proportional to 1,145,409.40, 1,717,595.70 and 513,998.20

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Solution

The fourth proportional to 1,145,409.40, 1,717,595.70 and 513,998.20 is: 770,764.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,409.40 : 1,717,595.70 = 513,998.20 : x
  2. Step 2: Convert to fraction form
    1,145,409.40/1,717,595.70 = 513,998.20/x
  3. Step 3: Cross multiply
    1,145,409.40x = 1,717,595.70 × 513,998.20
  4. Step 4: Simplify right side
    1,145,409.40x = 882,841,098,127.74
  5. Step 5: Solve for x
    x = 882,841,098,127.74/1,145,409.40
  6. Step 6: Final answer
    x = 770,764.67

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1.5x scale

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.