Home / 1,018,061.20-1,526,897.40-308,112.40

Finding the Fourth Proportional to 1,018,061.20, 1,526,897.40 and 308,112.40

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Solution

The fourth proportional to 1,018,061.20, 1,526,897.40 and 308,112.40 is: 462,109.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,061.20 : 1,526,897.40 = 308,112.40 : x
  2. Step 2: Convert to fraction form
    1,018,061.20/1,526,897.40 = 308,112.40/x
  3. Step 3: Cross multiply
    1,018,061.20x = 1,526,897.40 × 308,112.40
  4. Step 4: Simplify right side
    1,018,061.20x = 470,456,022,467.76
  5. Step 5: Solve for x
    x = 470,456,022,467.76/1,018,061.20
  6. Step 6: Final answer
    x = 462,109.77

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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.