Home / 1,237,038.71-1,707,222.08-720,765.77

Finding the Fourth Proportional to 1,237,038.71, 1,707,222.08 and 720,765.77

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Solution

The fourth proportional to 1,237,038.71, 1,707,222.08 and 720,765.77 is: 994,720.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,038.71 : 1,707,222.08 = 720,765.77 : x
  2. Step 2: Convert to fraction form
    1,237,038.71/1,707,222.08 = 720,765.77/x
  3. Step 3: Cross multiply
    1,237,038.71x = 1,707,222.08 × 720,765.77
  4. Step 4: Simplify right side
    1,237,038.71x = 1,230,507,230,318.01
  5. Step 5: Solve for x
    x = 1,230,507,230,318.01/1,237,038.71
  6. Step 6: Final answer
    x = 994,720.07

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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.