Home / 1,018,449.08-1,528,005.32-485,901.16

Finding the Fourth Proportional to 1,018,449.08, 1,528,005.32 and 485,901.16

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Solution

The fourth proportional to 1,018,449.08, 1,528,005.32 and 485,901.16 is: 729,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,449.08 : 1,528,005.32 = 485,901.16 : x
  2. Step 2: Convert to fraction form
    1,018,449.08/1,528,005.32 = 485,901.16/x
  3. Step 3: Cross multiply
    1,018,449.08x = 1,528,005.32 × 485,901.16
  4. Step 4: Simplify right side
    1,018,449.08x = 742,459,557,474.17
  5. Step 5: Solve for x
    x = 742,459,557,474.17/1,018,449.08
  6. Step 6: Final answer
    x = 729,009.99

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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.