Home / 1,430,027.52-1,973,454.21-785,462.82

Finding the Fourth Proportional to 1,430,027.52, 1,973,454.21 and 785,462.82

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Solution

The fourth proportional to 1,430,027.52, 1,973,454.21 and 785,462.82 is: 1,083,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,027.52 : 1,973,454.21 = 785,462.82 : x
  2. Step 2: Convert to fraction form
    1,430,027.52/1,973,454.21 = 785,462.82/x
  3. Step 3: Cross multiply
    1,430,027.52x = 1,973,454.21 × 785,462.82
  4. Step 4: Simplify right side
    1,430,027.52x = 1,550,074,908,927.47
  5. Step 5: Solve for x
    x = 1,550,074,908,927.47/1,430,027.52
  6. Step 6: Final answer
    x = 1,083,947.61

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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.