Home / 1,230,455.40-1,845,683.10-779,714.70

Finding the Fourth Proportional to 1,230,455.40, 1,845,683.10 and 779,714.70

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Solution

The fourth proportional to 1,230,455.40, 1,845,683.10 and 779,714.70 is: 1,169,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,455.40 : 1,845,683.10 = 779,714.70 : x
  2. Step 2: Convert to fraction form
    1,230,455.40/1,845,683.10 = 779,714.70/x
  3. Step 3: Cross multiply
    1,230,455.40x = 1,845,683.10 × 779,714.70
  4. Step 4: Simplify right side
    1,230,455.40x = 1,439,106,244,611.57
  5. Step 5: Solve for x
    x = 1,439,106,244,611.57/1,230,455.40
  6. Step 6: Final answer
    x = 1,169,572.05

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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.