Home / 1,671,896.48-2,307,923.16-1,128,767.72

Finding the Fourth Proportional to 1,671,896.48, 2,307,923.16 and 1,128,767.72

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Solution

The fourth proportional to 1,671,896.48, 2,307,923.16 and 1,128,767.72 is: 1,558,176.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,896.48 : 2,307,923.16 = 1,128,767.72 : x
  2. Step 2: Convert to fraction form
    1,671,896.48/2,307,923.16 = 1,128,767.72/x
  3. Step 3: Cross multiply
    1,671,896.48x = 2,307,923.16 × 1,128,767.72
  4. Step 4: Simplify right side
    1,671,896.48x = 2,605,109,163,248.40
  5. Step 5: Solve for x
    x = 2,605,109,163,248.40/1,671,896.48
  6. Step 6: Final answer
    x = 1,558,176.12

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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.