Home / 1,771,520.40-2,657,280.60-706,726.80

Finding the Fourth Proportional to 1,771,520.40, 2,657,280.60 and 706,726.80

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Solution

The fourth proportional to 1,771,520.40, 2,657,280.60 and 706,726.80 is: 1,060,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,520.40 : 2,657,280.60 = 706,726.80 : x
  2. Step 2: Convert to fraction form
    1,771,520.40/2,657,280.60 = 706,726.80/x
  3. Step 3: Cross multiply
    1,771,520.40x = 2,657,280.60 × 706,726.80
  4. Step 4: Simplify right side
    1,771,520.40x = 1,877,971,415,140.08
  5. Step 5: Solve for x
    x = 1,877,971,415,140.08/1,771,520.40
  6. Step 6: Final answer
    x = 1,060,090.20

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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.