Home / 1,255,875.18-1,881,435.76-742,003.56

Finding the Fourth Proportional to 1,255,875.18, 1,881,435.76 and 742,003.56

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Solution

The fourth proportional to 1,255,875.18, 1,881,435.76 and 742,003.56 is: 1,111,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,875.18 : 1,881,435.76 = 742,003.56 : x
  2. Step 2: Convert to fraction form
    1,255,875.18/1,881,435.76 = 742,003.56/x
  3. Step 3: Cross multiply
    1,255,875.18x = 1,881,435.76 × 742,003.56
  4. Step 4: Simplify right side
    1,255,875.18x = 1,396,032,020,569.12
  5. Step 5: Solve for x
    x = 1,396,032,020,569.12/1,255,875.18
  6. Step 6: Final answer
    x = 1,111,600.93

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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.