Home / 1,539,490.81-2,124,411.48-851,122.54

Finding the Fourth Proportional to 1,539,490.81, 2,124,411.48 and 851,122.54

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Solution

The fourth proportional to 1,539,490.81, 2,124,411.48 and 851,122.54 is: 1,174,501.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,490.81 : 2,124,411.48 = 851,122.54 : x
  2. Step 2: Convert to fraction form
    1,539,490.81/2,124,411.48 = 851,122.54/x
  3. Step 3: Cross multiply
    1,539,490.81x = 2,124,411.48 × 851,122.54
  4. Step 4: Simplify right side
    1,539,490.81x = 1,808,134,483,174.68
  5. Step 5: Solve for x
    x = 1,808,134,483,174.68/1,539,490.81
  6. Step 6: Final answer
    x = 1,174,501.64

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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.