Home / 1,051,195.60-1,450,702.60-643,169.68

Finding the Fourth Proportional to 1,051,195.60, 1,450,702.60 and 643,169.68

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Solution

The fourth proportional to 1,051,195.60, 1,450,702.60 and 643,169.68 is: 887,606.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,195.60 : 1,450,702.60 = 643,169.68 : x
  2. Step 2: Convert to fraction form
    1,051,195.60/1,450,702.60 = 643,169.68/x
  3. Step 3: Cross multiply
    1,051,195.60x = 1,450,702.60 × 643,169.68
  4. Step 4: Simplify right side
    1,051,195.60x = 933,047,927,017.17
  5. Step 5: Solve for x
    x = 933,047,927,017.17/1,051,195.60
  6. Step 6: Final answer
    x = 887,606.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.