Home / 1,077,703.38-1,615,678.38-403,407

Finding the Fourth Proportional to 1,077,703.38, 1,615,678.38 and 403,407

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Solution

The fourth proportional to 1,077,703.38, 1,615,678.38 and 403,407 is: 604,782.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,703.38 : 1,615,678.38 = 403,407 : x
  2. Step 2: Convert to fraction form
    1,077,703.38/1,615,678.38 = 403,407/x
  3. Step 3: Cross multiply
    1,077,703.38x = 1,615,678.38 × 403,407
  4. Step 4: Simplify right side
    1,077,703.38x = 651,775,968,240.66
  5. Step 5: Solve for x
    x = 651,775,968,240.66/1,077,703.38
  6. Step 6: Final answer
    x = 604,782.34

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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.