Home / 1,319,614.40-1,821,089.04-716,002.40

Finding the Fourth Proportional to 1,319,614.40, 1,821,089.04 and 716,002.40

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Solution

The fourth proportional to 1,319,614.40, 1,821,089.04 and 716,002.40 is: 988,094.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,614.40 : 1,821,089.04 = 716,002.40 : x
  2. Step 2: Convert to fraction form
    1,319,614.40/1,821,089.04 = 716,002.40/x
  3. Step 3: Cross multiply
    1,319,614.40x = 1,821,089.04 × 716,002.40
  4. Step 4: Simplify right side
    1,319,614.40x = 1,303,904,123,253.70
  5. Step 5: Solve for x
    x = 1,303,904,123,253.70/1,319,614.40
  6. Step 6: Final answer
    x = 988,094.80

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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.