Home / 1,020,854.16-1,531,502.64-310,863.60

Finding the Fourth Proportional to 1,020,854.16, 1,531,502.64 and 310,863.60

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Solution

The fourth proportional to 1,020,854.16, 1,531,502.64 and 310,863.60 is: 466,362.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,854.16 : 1,531,502.64 = 310,863.60 : x
  2. Step 2: Convert to fraction form
    1,020,854.16/1,531,502.64 = 310,863.60/x
  3. Step 3: Cross multiply
    1,020,854.16x = 1,531,502.64 × 310,863.60
  4. Step 4: Simplify right side
    1,020,854.16x = 476,088,424,079.90
  5. Step 5: Solve for x
    x = 476,088,424,079.90/1,020,854.16
  6. Step 6: Final answer
    x = 466,362.82

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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.