Home / 1,676,790.08-2,313,897.72-912,846.32

Finding the Fourth Proportional to 1,676,790.08, 2,313,897.72 and 912,846.32

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Solution

The fourth proportional to 1,676,790.08, 2,313,897.72 and 912,846.32 is: 1,259,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,790.08 : 2,313,897.72 = 912,846.32 : x
  2. Step 2: Convert to fraction form
    1,676,790.08/2,313,897.72 = 912,846.32/x
  3. Step 3: Cross multiply
    1,676,790.08x = 2,313,897.72 × 912,846.32
  4. Step 4: Simplify right side
    1,676,790.08x = 2,112,233,018,558.39
  5. Step 5: Solve for x
    x = 2,112,233,018,558.39/1,676,790.08
  6. Step 6: Final answer
    x = 1,259,688.40

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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.