Home / 1,312,925.52-1,811,837.24-709,313.52

Finding the Fourth Proportional to 1,312,925.52, 1,811,837.24 and 709,313.52

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Solution

The fourth proportional to 1,312,925.52, 1,811,837.24 and 709,313.52 is: 978,852.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,925.52 : 1,811,837.24 = 709,313.52 : x
  2. Step 2: Convert to fraction form
    1,312,925.52/1,811,837.24 = 709,313.52/x
  3. Step 3: Cross multiply
    1,312,925.52x = 1,811,837.24 × 709,313.52
  4. Step 4: Simplify right side
    1,312,925.52x = 1,285,160,650,371.48
  5. Step 5: Solve for x
    x = 1,285,160,650,371.48/1,312,925.52
  6. Step 6: Final answer
    x = 978,852.67

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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.