Home / 1,945,875.60-2,918,813.40-683,830.80

Finding the Fourth Proportional to 1,945,875.60, 2,918,813.40 and 683,830.80

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Solution

The fourth proportional to 1,945,875.60, 2,918,813.40 and 683,830.80 is: 1,025,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,875.60 : 2,918,813.40 = 683,830.80 : x
  2. Step 2: Convert to fraction form
    1,945,875.60/2,918,813.40 = 683,830.80/x
  3. Step 3: Cross multiply
    1,945,875.60x = 2,918,813.40 × 683,830.80
  4. Step 4: Simplify right side
    1,945,875.60x = 1,995,974,502,372.72
  5. Step 5: Solve for x
    x = 1,995,974,502,372.72/1,945,875.60
  6. Step 6: Final answer
    x = 1,025,746.20

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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.