Home / 1,507,168.14-2,078,466.87-990,009.48

Finding the Fourth Proportional to 1,507,168.14, 2,078,466.87 and 990,009.48

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Solution

The fourth proportional to 1,507,168.14, 2,078,466.87 and 990,009.48 is: 1,365,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,168.14 : 2,078,466.87 = 990,009.48 : x
  2. Step 2: Convert to fraction form
    1,507,168.14/2,078,466.87 = 990,009.48/x
  3. Step 3: Cross multiply
    1,507,168.14x = 2,078,466.87 × 990,009.48
  4. Step 4: Simplify right side
    1,507,168.14x = 2,057,701,905,165.93
  5. Step 5: Solve for x
    x = 2,057,701,905,165.93/1,507,168.14
  6. Step 6: Final answer
    x = 1,365,276.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.