Home / 1,008,897.19-1,509,607.63-808,610.11

Finding the Fourth Proportional to 1,008,897.19, 1,509,607.63 and 808,610.11

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Solution

The fourth proportional to 1,008,897.19, 1,509,607.63 and 808,610.11 is: 1,209,919.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,897.19 : 1,509,607.63 = 808,610.11 : x
  2. Step 2: Convert to fraction form
    1,008,897.19/1,509,607.63 = 808,610.11/x
  3. Step 3: Cross multiply
    1,008,897.19x = 1,509,607.63 × 808,610.11
  4. Step 4: Simplify right side
    1,008,897.19x = 1,220,683,988,987.88
  5. Step 5: Solve for x
    x = 1,220,683,988,987.88/1,008,897.19
  6. Step 6: Final answer
    x = 1,209,919.11

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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.