Home / 1,510,624.55-2,084,688.45-822,316.20

Finding the Fourth Proportional to 1,510,624.55, 2,084,688.45 and 822,316.20

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Solution

The fourth proportional to 1,510,624.55, 2,084,688.45 and 822,316.20 is: 1,134,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,624.55 : 2,084,688.45 = 822,316.20 : x
  2. Step 2: Convert to fraction form
    1,510,624.55/2,084,688.45 = 822,316.20/x
  3. Step 3: Cross multiply
    1,510,624.55x = 2,084,688.45 × 822,316.20
  4. Step 4: Simplify right side
    1,510,624.55x = 1,714,273,084,387.89
  5. Step 5: Solve for x
    x = 1,714,273,084,387.89/1,510,624.55
  6. Step 6: Final answer
    x = 1,134,810.82

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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.