Home / 1,406,411.39-1,940,857.04-761,831.58

Finding the Fourth Proportional to 1,406,411.39, 1,940,857.04 and 761,831.58

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Solution

The fourth proportional to 1,406,411.39, 1,940,857.04 and 761,831.58 is: 1,051,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,411.39 : 1,940,857.04 = 761,831.58 : x
  2. Step 2: Convert to fraction form
    1,406,411.39/1,940,857.04 = 761,831.58/x
  3. Step 3: Cross multiply
    1,406,411.39x = 1,940,857.04 × 761,831.58
  4. Step 4: Simplify right side
    1,406,411.39x = 1,478,606,181,528.17
  5. Step 5: Solve for x
    x = 1,478,606,181,528.17/1,406,411.39
  6. Step 6: Final answer
    x = 1,051,332.63

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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.