Home / 1,015,143.10-1,400,897.48-607,262.14

Finding the Fourth Proportional to 1,015,143.10, 1,400,897.48 and 607,262.14

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Solution

The fourth proportional to 1,015,143.10, 1,400,897.48 and 607,262.14 is: 838,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,143.10 : 1,400,897.48 = 607,262.14 : x
  2. Step 2: Convert to fraction form
    1,015,143.10/1,400,897.48 = 607,262.14/x
  3. Step 3: Cross multiply
    1,015,143.10x = 1,400,897.48 × 607,262.14
  4. Step 4: Simplify right side
    1,015,143.10x = 850,712,001,625.41
  5. Step 5: Solve for x
    x = 850,712,001,625.41/1,015,143.10
  6. Step 6: Final answer
    x = 838,021.75

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1.5x scale

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.