Home / 1,018,613.76-1,525,595.28-486,509.76

Finding the Fourth Proportional to 1,018,613.76, 1,525,595.28 and 486,509.76

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Solution

The fourth proportional to 1,018,613.76, 1,525,595.28 and 486,509.76 is: 728,654.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,613.76 : 1,525,595.28 = 486,509.76 : x
  2. Step 2: Convert to fraction form
    1,018,613.76/1,525,595.28 = 486,509.76/x
  3. Step 3: Cross multiply
    1,018,613.76x = 1,525,595.28 × 486,509.76
  4. Step 4: Simplify right side
    1,018,613.76x = 742,216,993,529.93
  5. Step 5: Solve for x
    x = 742,216,993,529.93/1,018,613.76
  6. Step 6: Final answer
    x = 728,654.00

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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.