Home / 1,225,381.60-1,834,443.60-911,231.20

Finding the Fourth Proportional to 1,225,381.60, 1,834,443.60 and 911,231.20

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Solution

The fourth proportional to 1,225,381.60, 1,834,443.60 and 911,231.20 is: 1,364,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,381.60 : 1,834,443.60 = 911,231.20 : x
  2. Step 2: Convert to fraction form
    1,225,381.60/1,834,443.60 = 911,231.20/x
  3. Step 3: Cross multiply
    1,225,381.60x = 1,834,443.60 × 911,231.20
  4. Step 4: Simplify right side
    1,225,381.60x = 1,671,602,242,960.32
  5. Step 5: Solve for x
    x = 1,671,602,242,960.32/1,225,381.60
  6. Step 6: Final answer
    x = 1,364,148.31

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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.