Home / 1,276,376.93-1,761,400.16-703,417.10

Finding the Fourth Proportional to 1,276,376.93, 1,761,400.16 and 703,417.10

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Solution

The fourth proportional to 1,276,376.93, 1,761,400.16 and 703,417.10 is: 970,715.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,376.93 : 1,761,400.16 = 703,417.10 : x
  2. Step 2: Convert to fraction form
    1,276,376.93/1,761,400.16 = 703,417.10/x
  3. Step 3: Cross multiply
    1,276,376.93x = 1,761,400.16 × 703,417.10
  4. Step 4: Simplify right side
    1,276,376.93x = 1,238,998,992,486.74
  5. Step 5: Solve for x
    x = 1,238,998,992,486.74/1,276,376.93
  6. Step 6: Final answer
    x = 970,715.60

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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.