Home / 971,985.60-1,453,312.80-720,043.20

Finding the Fourth Proportional to 971,985.60, 1,453,312.80 and 720,043.20

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Solution

The fourth proportional to 971,985.60, 1,453,312.80 and 720,043.20 is: 1,076,608.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,985.60 : 1,453,312.80 = 720,043.20 : x
  2. Step 2: Convert to fraction form
    971,985.60/1,453,312.80 = 720,043.20/x
  3. Step 3: Cross multiply
    971,985.60x = 1,453,312.80 × 720,043.20
  4. Step 4: Simplify right side
    971,985.60x = 1,046,447,999,112.96
  5. Step 5: Solve for x
    x = 1,046,447,999,112.96/971,985.60
  6. Step 6: Final answer
    x = 1,076,608.54

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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.