Home / 1,018,452.10-1,528,009.80-485,904.16

Finding the Fourth Proportional to 1,018,452.10, 1,528,009.80 and 485,904.16

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Solution

The fourth proportional to 1,018,452.10, 1,528,009.80 and 485,904.16 is: 729,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,452.10 : 1,528,009.80 = 485,904.16 : x
  2. Step 2: Convert to fraction form
    1,018,452.10/1,528,009.80 = 485,904.16/x
  3. Step 3: Cross multiply
    1,018,452.10x = 1,528,009.80 × 485,904.16
  4. Step 4: Simplify right side
    1,018,452.10x = 742,466,318,340.77
  5. Step 5: Solve for x
    x = 742,466,318,340.77/1,018,452.10
  6. Step 6: Final answer
    x = 729,014.47

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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.