Home / 1,235,162.60-1,852,830.30-487,111.40

Finding the Fourth Proportional to 1,235,162.60, 1,852,830.30 and 487,111.40

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Solution

The fourth proportional to 1,235,162.60, 1,852,830.30 and 487,111.40 is: 730,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,162.60 : 1,852,830.30 = 487,111.40 : x
  2. Step 2: Convert to fraction form
    1,235,162.60/1,852,830.30 = 487,111.40/x
  3. Step 3: Cross multiply
    1,235,162.60x = 1,852,830.30 × 487,111.40
  4. Step 4: Simplify right side
    1,235,162.60x = 902,534,761,395.42
  5. Step 5: Solve for x
    x = 902,534,761,395.42/1,235,162.60
  6. Step 6: Final answer
    x = 730,701.17

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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.