Home / 1,018,451.10-1,528,008.30-485,903.16

Finding the Fourth Proportional to 1,018,451.10, 1,528,008.30 and 485,903.16

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Solution

The fourth proportional to 1,018,451.10, 1,528,008.30 and 485,903.16 is: 729,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,451.10 : 1,528,008.30 = 485,903.16 : x
  2. Step 2: Convert to fraction form
    1,018,451.10/1,528,008.30 = 485,903.16/x
  3. Step 3: Cross multiply
    1,018,451.10x = 1,528,008.30 × 485,903.16
  4. Step 4: Simplify right side
    1,018,451.10x = 742,464,061,476.23
  5. Step 5: Solve for x
    x = 742,464,061,476.23/1,018,451.10
  6. Step 6: Final answer
    x = 729,012.97

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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.