Home / 1,090,303.40-1,635,455.10-665,150.60

Finding the Fourth Proportional to 1,090,303.40, 1,635,455.10 and 665,150.60

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Solution

The fourth proportional to 1,090,303.40, 1,635,455.10 and 665,150.60 is: 997,725.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,303.40 : 1,635,455.10 = 665,150.60 : x
  2. Step 2: Convert to fraction form
    1,090,303.40/1,635,455.10 = 665,150.60/x
  3. Step 3: Cross multiply
    1,090,303.40x = 1,635,455.10 × 665,150.60
  4. Step 4: Simplify right side
    1,090,303.40x = 1,087,823,941,038.06
  5. Step 5: Solve for x
    x = 1,087,823,941,038.06/1,090,303.40
  6. Step 6: Final answer
    x = 997,725.90

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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.