Home / 1,464,381.36-2,021,088.08-1,005,118.64

Finding the Fourth Proportional to 1,464,381.36, 2,021,088.08 and 1,005,118.64

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Solution

The fourth proportional to 1,464,381.36, 2,021,088.08 and 1,005,118.64 is: 1,387,229.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,381.36 : 2,021,088.08 = 1,005,118.64 : x
  2. Step 2: Convert to fraction form
    1,464,381.36/2,021,088.08 = 1,005,118.64/x
  3. Step 3: Cross multiply
    1,464,381.36x = 2,021,088.08 × 1,005,118.64
  4. Step 4: Simplify right side
    1,464,381.36x = 2,031,433,302,289.81
  5. Step 5: Solve for x
    x = 2,031,433,302,289.81/1,464,381.36
  6. Step 6: Final answer
    x = 1,387,229.69

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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.