Home / 1,262,579.40-1,893,869.10-315,948.60

Finding the Fourth Proportional to 1,262,579.40, 1,893,869.10 and 315,948.60

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Solution

The fourth proportional to 1,262,579.40, 1,893,869.10 and 315,948.60 is: 473,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,579.40 : 1,893,869.10 = 315,948.60 : x
  2. Step 2: Convert to fraction form
    1,262,579.40/1,893,869.10 = 315,948.60/x
  3. Step 3: Cross multiply
    1,262,579.40x = 1,893,869.10 × 315,948.60
  4. Step 4: Simplify right side
    1,262,579.40x = 598,365,290,728.26
  5. Step 5: Solve for x
    x = 598,365,290,728.26/1,262,579.40
  6. Step 6: Final answer
    x = 473,922.90

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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.