Home / 1,452,890.31-2,179,331.81-692,426.67

Finding the Fourth Proportional to 1,452,890.31, 2,179,331.81 and 692,426.67

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Solution

The fourth proportional to 1,452,890.31, 2,179,331.81 and 692,426.67 is: 1,038,638.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452,890.31 : 2,179,331.81 = 692,426.67 : x
  2. Step 2: Convert to fraction form
    1,452,890.31/2,179,331.81 = 692,426.67/x
  3. Step 3: Cross multiply
    1,452,890.31x = 2,179,331.81 × 692,426.67
  4. Step 4: Simplify right side
    1,452,890.31x = 1,509,027,468,023.37
  5. Step 5: Solve for x
    x = 1,509,027,468,023.37/1,452,890.31
  6. Step 6: Final answer
    x = 1,038,638.26

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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.