Home / 883,030.80-1,326,101.40-855,037.20

Finding the Fourth Proportional to 883,030.80, 1,326,101.40 and 855,037.20

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Solution

The fourth proportional to 883,030.80, 1,326,101.40 and 855,037.20 is: 1,284,061.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,030.80 : 1,326,101.40 = 855,037.20 : x
  2. Step 2: Convert to fraction form
    883,030.80/1,326,101.40 = 855,037.20/x
  3. Step 3: Cross multiply
    883,030.80x = 1,326,101.40 × 855,037.20
  4. Step 4: Simplify right side
    883,030.80x = 1,133,866,027,972.08
  5. Step 5: Solve for x
    x = 1,133,866,027,972.08/883,030.80
  6. Step 6: Final answer
    x = 1,284,061.70

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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.