Home / 1,430,569.60-2,145,854.40-957,788.80

Finding the Fourth Proportional to 1,430,569.60, 2,145,854.40 and 957,788.80

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Solution

The fourth proportional to 1,430,569.60, 2,145,854.40 and 957,788.80 is: 1,436,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,569.60 : 2,145,854.40 = 957,788.80 : x
  2. Step 2: Convert to fraction form
    1,430,569.60/2,145,854.40 = 957,788.80/x
  3. Step 3: Cross multiply
    1,430,569.60x = 2,145,854.40 × 957,788.80
  4. Step 4: Simplify right side
    1,430,569.60x = 2,055,275,310,750.72
  5. Step 5: Solve for x
    x = 2,055,275,310,750.72/1,430,569.60
  6. Step 6: Final answer
    x = 1,436,683.20

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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.