Home / 1,090,075.60-1,635,372.60-458,664.40

Finding the Fourth Proportional to 1,090,075.60, 1,635,372.60 and 458,664.40

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Solution

The fourth proportional to 1,090,075.60, 1,635,372.60 and 458,664.40 is: 688,105.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,075.60 : 1,635,372.60 = 458,664.40 : x
  2. Step 2: Convert to fraction form
    1,090,075.60/1,635,372.60 = 458,664.40/x
  3. Step 3: Cross multiply
    1,090,075.60x = 1,635,372.60 × 458,664.40
  4. Step 4: Simplify right side
    1,090,075.60x = 750,087,192,355.44
  5. Step 5: Solve for x
    x = 750,087,192,355.44/1,090,075.60
  6. Step 6: Final answer
    x = 688,105.66

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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.