Home / 1,490,273.56-2,056,577.76-811,210

Finding the Fourth Proportional to 1,490,273.56, 2,056,577.76 and 811,210

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Solution

The fourth proportional to 1,490,273.56, 2,056,577.76 and 811,210 is: 1,119,469.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,273.56 : 2,056,577.76 = 811,210 : x
  2. Step 2: Convert to fraction form
    1,490,273.56/2,056,577.76 = 811,210/x
  3. Step 3: Cross multiply
    1,490,273.56x = 2,056,577.76 × 811,210
  4. Step 4: Simplify right side
    1,490,273.56x = 1,668,316,444,689.60
  5. Step 5: Solve for x
    x = 1,668,316,444,689.60/1,490,273.56
  6. Step 6: Final answer
    x = 1,119,469.93

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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.