Home / 1,020,053.52-1,530,081.30-380,347.47

Finding the Fourth Proportional to 1,020,053.52, 1,530,081.30 and 380,347.47

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Solution

The fourth proportional to 1,020,053.52, 1,530,081.30 and 380,347.47 is: 570,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,053.52 : 1,530,081.30 = 380,347.47 : x
  2. Step 2: Convert to fraction form
    1,020,053.52/1,530,081.30 = 380,347.47/x
  3. Step 3: Cross multiply
    1,020,053.52x = 1,530,081.30 × 380,347.47
  4. Step 4: Simplify right side
    1,020,053.52x = 581,962,549,447.57
  5. Step 5: Solve for x
    x = 581,962,549,447.57/1,020,053.52
  6. Step 6: Final answer
    x = 570,521.59

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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.