Home / 1,018,346.68-1,405,362.90-565,637.68

Finding the Fourth Proportional to 1,018,346.68, 1,405,362.90 and 565,637.68

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Solution

The fourth proportional to 1,018,346.68, 1,405,362.90 and 565,637.68 is: 780,604.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,346.68 : 1,405,362.90 = 565,637.68 : x
  2. Step 2: Convert to fraction form
    1,018,346.68/1,405,362.90 = 565,637.68/x
  3. Step 3: Cross multiply
    1,018,346.68x = 1,405,362.90 × 565,637.68
  4. Step 4: Simplify right side
    1,018,346.68x = 794,926,210,314.07
  5. Step 5: Solve for x
    x = 794,926,210,314.07/1,018,346.68
  6. Step 6: Final answer
    x = 780,604.71

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Double scale
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1.5x scale

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.