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Finding the Fourth Proportional to 1,374,937, 1,897,426.04 and 771,337.96

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Solution

The fourth proportional to 1,374,937, 1,897,426.04 and 771,337.96 is: 1,064,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,937 : 1,897,426.04 = 771,337.96 : x
  2. Step 2: Convert to fraction form
    1,374,937/1,897,426.04 = 771,337.96/x
  3. Step 3: Cross multiply
    1,374,937x = 1,897,426.04 × 771,337.96
  4. Step 4: Simplify right side
    1,374,937x = 1,463,556,730,944.48
  5. Step 5: Solve for x
    x = 1,463,556,730,944.48/1,374,937
  6. Step 6: Final answer
    x = 1,064,453.67

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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.