Home / 1,671,831.77-2,307,834.08-1,128,703.22

Finding the Fourth Proportional to 1,671,831.77, 2,307,834.08 and 1,128,703.22

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Solution

The fourth proportional to 1,671,831.77, 2,307,834.08 and 1,128,703.22 is: 1,558,087.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,831.77 : 2,307,834.08 = 1,128,703.22 : x
  2. Step 2: Convert to fraction form
    1,671,831.77/2,307,834.08 = 1,128,703.22/x
  3. Step 3: Cross multiply
    1,671,831.77x = 2,307,834.08 × 1,128,703.22
  4. Step 4: Simplify right side
    1,671,831.77x = 2,604,859,751,678.22
  5. Step 5: Solve for x
    x = 2,604,859,751,678.22/1,671,831.77
  6. Step 6: Final answer
    x = 1,558,087.24

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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.