Home / 1,359,000.23-1,875,421.51-747,163.40

Finding the Fourth Proportional to 1,359,000.23, 1,875,421.51 and 747,163.40

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Solution

The fourth proportional to 1,359,000.23, 1,875,421.51 and 747,163.40 is: 1,031,086.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,000.23 : 1,875,421.51 = 747,163.40 : x
  2. Step 2: Convert to fraction form
    1,359,000.23/1,875,421.51 = 747,163.40/x
  3. Step 3: Cross multiply
    1,359,000.23x = 1,875,421.51 × 747,163.40
  4. Step 4: Simplify right side
    1,359,000.23x = 1,401,246,302,467.63
  5. Step 5: Solve for x
    x = 1,401,246,302,467.63/1,359,000.23
  6. Step 6: Final answer
    x = 1,031,086.14

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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.