Home / 1,426,255.40-2,138,864.70-716,047.40

Finding the Fourth Proportional to 1,426,255.40, 2,138,864.70 and 716,047.40

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Solution

The fourth proportional to 1,426,255.40, 2,138,864.70 and 716,047.40 is: 1,073,810.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,255.40 : 2,138,864.70 = 716,047.40 : x
  2. Step 2: Convert to fraction form
    1,426,255.40/2,138,864.70 = 716,047.40/x
  3. Step 3: Cross multiply
    1,426,255.40x = 2,138,864.70 × 716,047.40
  4. Step 4: Simplify right side
    1,426,255.40x = 1,531,528,507,386.78
  5. Step 5: Solve for x
    x = 1,531,528,507,386.78/1,426,255.40
  6. Step 6: Final answer
    x = 1,073,810.84

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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.