Home / 1,658,037.60-2,487,056.40-816,415.20

Finding the Fourth Proportional to 1,658,037.60, 2,487,056.40 and 816,415.20

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Solution

The fourth proportional to 1,658,037.60, 2,487,056.40 and 816,415.20 is: 1,224,622.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,658,037.60 : 2,487,056.40 = 816,415.20 : x
  2. Step 2: Convert to fraction form
    1,658,037.60/2,487,056.40 = 816,415.20/x
  3. Step 3: Cross multiply
    1,658,037.60x = 2,487,056.40 × 816,415.20
  4. Step 4: Simplify right side
    1,658,037.60x = 2,030,470,648,217.28
  5. Step 5: Solve for x
    x = 2,030,470,648,217.28/1,658,037.60
  6. Step 6: Final answer
    x = 1,224,622.80

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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.