Home / 1,020,857.16-1,531,507.14-310,866.60

Finding the Fourth Proportional to 1,020,857.16, 1,531,507.14 and 310,866.60

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Solution

The fourth proportional to 1,020,857.16, 1,531,507.14 and 310,866.60 is: 466,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,857.16 : 1,531,507.14 = 310,866.60 : x
  2. Step 2: Convert to fraction form
    1,020,857.16/1,531,507.14 = 310,866.60/x
  3. Step 3: Cross multiply
    1,020,857.16x = 1,531,507.14 × 310,866.60
  4. Step 4: Simplify right side
    1,020,857.16x = 476,094,417,487.52
  5. Step 5: Solve for x
    x = 476,094,417,487.52/1,020,857.16
  6. Step 6: Final answer
    x = 466,367.32

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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.