Home / 1,020,054.52-1,530,082.80-380,348.47

Finding the Fourth Proportional to 1,020,054.52, 1,530,082.80 and 380,348.47

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Solution

The fourth proportional to 1,020,054.52, 1,530,082.80 and 380,348.47 is: 570,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,054.52 : 1,530,082.80 = 380,348.47 : x
  2. Step 2: Convert to fraction form
    1,020,054.52/1,530,082.80 = 380,348.47/x
  3. Step 3: Cross multiply
    1,020,054.52x = 1,530,082.80 × 380,348.47
  4. Step 4: Simplify right side
    1,020,054.52x = 581,964,651,953.32
  5. Step 5: Solve for x
    x = 581,964,651,953.32/1,020,054.52
  6. Step 6: Final answer
    x = 570,523.09

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1.5x scale

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.