Home / 1,243,477.60-1,865,216.40-533,384.80

Finding the Fourth Proportional to 1,243,477.60, 1,865,216.40 and 533,384.80

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Solution

The fourth proportional to 1,243,477.60, 1,865,216.40 and 533,384.80 is: 800,077.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,477.60 : 1,865,216.40 = 533,384.80 : x
  2. Step 2: Convert to fraction form
    1,243,477.60/1,865,216.40 = 533,384.80/x
  3. Step 3: Cross multiply
    1,243,477.60x = 1,865,216.40 × 533,384.80
  4. Step 4: Simplify right side
    1,243,477.60x = 994,878,076,470.72
  5. Step 5: Solve for x
    x = 994,878,076,470.72/1,243,477.60
  6. Step 6: Final answer
    x = 800,077.20

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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.