Home / 1,429,130.73-2,142,065.34-575,655.78

Finding the Fourth Proportional to 1,429,130.73, 2,142,065.34 and 575,655.78

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Solution

The fourth proportional to 1,429,130.73, 2,142,065.34 and 575,655.78 is: 862,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,130.73 : 2,142,065.34 = 575,655.78 : x
  2. Step 2: Convert to fraction form
    1,429,130.73/2,142,065.34 = 575,655.78/x
  3. Step 3: Cross multiply
    1,429,130.73x = 2,142,065.34 × 575,655.78
  4. Step 4: Simplify right side
    1,429,130.73x = 1,233,092,294,108.67
  5. Step 5: Solve for x
    x = 1,233,092,294,108.67/1,429,130.73
  6. Step 6: Final answer
    x = 862,826.80

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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.