Home / 1,090,242.40-1,632,253.20-670,338.40

Finding the Fourth Proportional to 1,090,242.40, 1,632,253.20 and 670,338.40

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Solution

The fourth proportional to 1,090,242.40, 1,632,253.20 and 670,338.40 is: 1,003,595.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,242.40 : 1,632,253.20 = 670,338.40 : x
  2. Step 2: Convert to fraction form
    1,090,242.40/1,632,253.20 = 670,338.40/x
  3. Step 3: Cross multiply
    1,090,242.40x = 1,632,253.20 × 670,338.40
  4. Step 4: Simplify right side
    1,090,242.40x = 1,094,161,998,482.88
  5. Step 5: Solve for x
    x = 1,094,161,998,482.88/1,090,242.40
  6. Step 6: Final answer
    x = 1,003,595.16

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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.