Home / 1,020,058.87-1,530,089.36-380,352.83

Finding the Fourth Proportional to 1,020,058.87, 1,530,089.36 and 380,352.83

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Solution

The fourth proportional to 1,020,058.87, 1,530,089.36 and 380,352.83 is: 570,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,058.87 : 1,530,089.36 = 380,352.83 : x
  2. Step 2: Convert to fraction form
    1,020,058.87/1,530,089.36 = 380,352.83/x
  3. Step 3: Cross multiply
    1,020,058.87x = 1,530,089.36 × 380,352.83
  4. Step 4: Simplify right side
    1,020,058.87x = 581,973,818,228.89
  5. Step 5: Solve for x
    x = 581,973,818,228.89/1,020,058.87
  6. Step 6: Final answer
    x = 570,529.64

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Double scale
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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.