Home / 1,447,368.40-1,997,607.54-802,996.20

Finding the Fourth Proportional to 1,447,368.40, 1,997,607.54 and 802,996.20

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Solution

The fourth proportional to 1,447,368.40, 1,997,607.54 and 802,996.20 is: 1,108,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,368.40 : 1,997,607.54 = 802,996.20 : x
  2. Step 2: Convert to fraction form
    1,447,368.40/1,997,607.54 = 802,996.20/x
  3. Step 3: Cross multiply
    1,447,368.40x = 1,997,607.54 × 802,996.20
  4. Step 4: Simplify right side
    1,447,368.40x = 1,604,071,263,711.35
  5. Step 5: Solve for x
    x = 1,604,071,263,711.35/1,447,368.40
  6. Step 6: Final answer
    x = 1,108,267.43

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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.