Home / 1,000,360.78-1,500,822.15-401,742.28

Finding the Fourth Proportional to 1,000,360.78, 1,500,822.15 and 401,742.28

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Solution

The fourth proportional to 1,000,360.78, 1,500,822.15 and 401,742.28 is: 602,726.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,360.78 : 1,500,822.15 = 401,742.28 : x
  2. Step 2: Convert to fraction form
    1,000,360.78/1,500,822.15 = 401,742.28/x
  3. Step 3: Cross multiply
    1,000,360.78x = 1,500,822.15 × 401,742.28
  4. Step 4: Simplify right side
    1,000,360.78x = 602,943,712,415.50
  5. Step 5: Solve for x
    x = 602,943,712,415.50/1,000,360.78
  6. Step 6: Final answer
    x = 602,726.26

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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.