Home / 1,158,852.40-1,738,278.60-972,228.40

Finding the Fourth Proportional to 1,158,852.40, 1,738,278.60 and 972,228.40

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Solution

The fourth proportional to 1,158,852.40, 1,738,278.60 and 972,228.40 is: 1,458,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,852.40 : 1,738,278.60 = 972,228.40 : x
  2. Step 2: Convert to fraction form
    1,158,852.40/1,738,278.60 = 972,228.40/x
  3. Step 3: Cross multiply
    1,158,852.40x = 1,738,278.60 × 972,228.40
  4. Step 4: Simplify right side
    1,158,852.40x = 1,690,003,822,032.24
  5. Step 5: Solve for x
    x = 1,690,003,822,032.24/1,158,852.40
  6. Step 6: Final answer
    x = 1,458,342.60

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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.