Home / 1,018,196.40-1,526,905.80-307,988.40

Finding the Fourth Proportional to 1,018,196.40, 1,526,905.80 and 307,988.40

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Solution

The fourth proportional to 1,018,196.40, 1,526,905.80 and 307,988.40 is: 461,864.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,196.40 : 1,526,905.80 = 307,988.40 : x
  2. Step 2: Convert to fraction form
    1,018,196.40/1,526,905.80 = 307,988.40/x
  3. Step 3: Cross multiply
    1,018,196.40x = 1,526,905.80 × 307,988.40
  4. Step 4: Simplify right side
    1,018,196.40x = 470,269,274,292.72
  5. Step 5: Solve for x
    x = 470,269,274,292.72/1,018,196.40
  6. Step 6: Final answer
    x = 461,864.99

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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.