Home / 1,276,501.50-1,761,574.54-695,731.10

Finding the Fourth Proportional to 1,276,501.50, 1,761,574.54 and 695,731.10

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Solution

The fourth proportional to 1,276,501.50, 1,761,574.54 and 695,731.10 is: 960,110.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,501.50 : 1,761,574.54 = 695,731.10 : x
  2. Step 2: Convert to fraction form
    1,276,501.50/1,761,574.54 = 695,731.10/x
  3. Step 3: Cross multiply
    1,276,501.50x = 1,761,574.54 × 695,731.10
  4. Step 4: Simplify right side
    1,276,501.50x = 1,225,582,192,446.19
  5. Step 5: Solve for x
    x = 1,225,582,192,446.19/1,276,501.50
  6. Step 6: Final answer
    x = 960,110.26

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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.