Home / 1,330,889.40-1,996,334.10-910,985.40

Finding the Fourth Proportional to 1,330,889.40, 1,996,334.10 and 910,985.40

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Solution

The fourth proportional to 1,330,889.40, 1,996,334.10 and 910,985.40 is: 1,366,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,889.40 : 1,996,334.10 = 910,985.40 : x
  2. Step 2: Convert to fraction form
    1,330,889.40/1,996,334.10 = 910,985.40/x
  3. Step 3: Cross multiply
    1,330,889.40x = 1,996,334.10 × 910,985.40
  4. Step 4: Simplify right side
    1,330,889.40x = 1,818,631,218,622.14
  5. Step 5: Solve for x
    x = 1,818,631,218,622.14/1,330,889.40
  6. Step 6: Final answer
    x = 1,366,478.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.