Home / 1,433,898.40-1,980,552.72-1,051,319.20

Finding the Fourth Proportional to 1,433,898.40, 1,980,552.72 and 1,051,319.20

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Solution

The fourth proportional to 1,433,898.40, 1,980,552.72 and 1,051,319.20 is: 1,452,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,898.40 : 1,980,552.72 = 1,051,319.20 : x
  2. Step 2: Convert to fraction form
    1,433,898.40/1,980,552.72 = 1,051,319.20/x
  3. Step 3: Cross multiply
    1,433,898.40x = 1,980,552.72 × 1,051,319.20
  4. Step 4: Simplify right side
    1,433,898.40x = 2,082,193,101,148.22
  5. Step 5: Solve for x
    x = 2,082,193,101,148.22/1,433,898.40
  6. Step 6: Final answer
    x = 1,452,120.39

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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.