Home / 1,676,748-2,313,908.40-912,806.88

Finding the Fourth Proportional to 1,676,748, 2,313,908.40 and 912,806.88

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Solution

The fourth proportional to 1,676,748, 2,313,908.40 and 912,806.88 is: 1,259,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,748 : 2,313,908.40 = 912,806.88 : x
  2. Step 2: Convert to fraction form
    1,676,748/2,313,908.40 = 912,806.88/x
  3. Step 3: Cross multiply
    1,676,748x = 2,313,908.40 × 912,806.88
  4. Step 4: Simplify right side
    1,676,748x = 2,112,151,507,209.79
  5. Step 5: Solve for x
    x = 2,112,151,507,209.79/1,676,748
  6. Step 6: Final answer
    x = 1,259,671.40

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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.