Home / 1,355,729.40-1,870,129.26-845,546.04

Finding the Fourth Proportional to 1,355,729.40, 1,870,129.26 and 845,546.04

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Solution

The fourth proportional to 1,355,729.40, 1,870,129.26 and 845,546.04 is: 1,166,368.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,729.40 : 1,870,129.26 = 845,546.04 : x
  2. Step 2: Convert to fraction form
    1,355,729.40/1,870,129.26 = 845,546.04/x
  3. Step 3: Cross multiply
    1,355,729.40x = 1,870,129.26 × 845,546.04
  4. Step 4: Simplify right side
    1,355,729.40x = 1,581,280,390,081.13
  5. Step 5: Solve for x
    x = 1,581,280,390,081.13/1,355,729.40
  6. Step 6: Final answer
    x = 1,166,368.74

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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.