Home / 1,078,360.48-1,616,402.40-404,001.28

Finding the Fourth Proportional to 1,078,360.48, 1,616,402.40 and 404,001.28

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Solution

The fourth proportional to 1,078,360.48, 1,616,402.40 and 404,001.28 is: 605,575.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,360.48 : 1,616,402.40 = 404,001.28 : x
  2. Step 2: Convert to fraction form
    1,078,360.48/1,616,402.40 = 404,001.28/x
  3. Step 3: Cross multiply
    1,078,360.48x = 1,616,402.40 × 404,001.28
  4. Step 4: Simplify right side
    1,078,360.48x = 653,028,638,595.07
  5. Step 5: Solve for x
    x = 653,028,638,595.07/1,078,360.48
  6. Step 6: Final answer
    x = 605,575.46

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1.5x scale

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.