Home / 1,070,782.12-1,604,031.54-644,082.40

Finding the Fourth Proportional to 1,070,782.12, 1,604,031.54 and 644,082.40

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Solution

The fourth proportional to 1,070,782.12, 1,604,031.54 and 644,082.40 is: 964,835.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,782.12 : 1,604,031.54 = 644,082.40 : x
  2. Step 2: Convert to fraction form
    1,070,782.12/1,604,031.54 = 644,082.40/x
  3. Step 3: Cross multiply
    1,070,782.12x = 1,604,031.54 × 644,082.40
  4. Step 4: Simplify right side
    1,070,782.12x = 1,033,128,483,958.90
  5. Step 5: Solve for x
    x = 1,033,128,483,958.90/1,070,782.12
  6. Step 6: Final answer
    x = 964,835.39

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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.