Home / 910,401.40-1,276,428.20-910,401.40

Finding the Fourth Proportional to 910,401.40, 1,276,428.20 and 910,401.40

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Solution

The fourth proportional to 910,401.40, 1,276,428.20 and 910,401.40 is: 1,276,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,401.40 : 1,276,428.20 = 910,401.40 : x
  2. Step 2: Convert to fraction form
    910,401.40/1,276,428.20 = 910,401.40/x
  3. Step 3: Cross multiply
    910,401.40x = 1,276,428.20 × 910,401.40
  4. Step 4: Simplify right side
    910,401.40x = 1,162,062,020,279.48
  5. Step 5: Solve for x
    x = 1,162,062,020,279.48/910,401.40
  6. Step 6: Final answer
    x = 1,276,428.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.