Home / 1,605,502.24-2,215,618-880,416.16

Finding the Fourth Proportional to 1,605,502.24, 2,215,618 and 880,416.16

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Solution

The fourth proportional to 1,605,502.24, 2,215,618 and 880,416.16 is: 1,214,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,502.24 : 2,215,618 = 880,416.16 : x
  2. Step 2: Convert to fraction form
    1,605,502.24/2,215,618 = 880,416.16/x
  3. Step 3: Cross multiply
    1,605,502.24x = 2,215,618 × 880,416.16
  4. Step 4: Simplify right side
    1,605,502.24x = 1,950,665,891,586.88
  5. Step 5: Solve for x
    x = 1,950,665,891,586.88/1,605,502.24
  6. Step 6: Final answer
    x = 1,214,987.96

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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.