Home / 1,294,862.60-1,788,038.66-812,257.32

Finding the Fourth Proportional to 1,294,862.60, 1,788,038.66 and 812,257.32

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Solution

The fourth proportional to 1,294,862.60, 1,788,038.66 and 812,257.32 is: 1,121,622.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,862.60 : 1,788,038.66 = 812,257.32 : x
  2. Step 2: Convert to fraction form
    1,294,862.60/1,788,038.66 = 812,257.32/x
  3. Step 3: Cross multiply
    1,294,862.60x = 1,788,038.66 × 812,257.32
  4. Step 4: Simplify right side
    1,294,862.60x = 1,452,347,490,027.99
  5. Step 5: Solve for x
    x = 1,452,347,490,027.99/1,294,862.60
  6. Step 6: Final answer
    x = 1,121,622.86

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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.