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Finding the Fourth Proportional to 1,445,700, 1,995,077.70 and 801,130.94

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Solution

The fourth proportional to 1,445,700, 1,995,077.70 and 801,130.94 is: 1,105,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,700 : 1,995,077.70 = 801,130.94 : x
  2. Step 2: Convert to fraction form
    1,445,700/1,995,077.70 = 801,130.94/x
  3. Step 3: Cross multiply
    1,445,700x = 1,995,077.70 × 801,130.94
  4. Step 4: Simplify right side
    1,445,700x = 1,598,318,473,174.04
  5. Step 5: Solve for x
    x = 1,598,318,473,174.04/1,445,700
  6. Step 6: Final answer
    x = 1,105,567.18

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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.