Home / 1,447,364.40-1,997,602.02-802,992.20

Finding the Fourth Proportional to 1,447,364.40, 1,997,602.02 and 802,992.20

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Solution

The fourth proportional to 1,447,364.40, 1,997,602.02 and 802,992.20 is: 1,108,261.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,364.40 : 1,997,602.02 = 802,992.20 : x
  2. Step 2: Convert to fraction form
    1,447,364.40/1,997,602.02 = 802,992.20/x
  3. Step 3: Cross multiply
    1,447,364.40x = 1,997,602.02 × 802,992.20
  4. Step 4: Simplify right side
    1,447,364.40x = 1,604,058,830,776.23
  5. Step 5: Solve for x
    x = 1,604,058,830,776.23/1,447,364.40
  6. Step 6: Final answer
    x = 1,108,261.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.