Home / 1,520,032.18-2,097,683.31-916,459.06

Finding the Fourth Proportional to 1,520,032.18, 2,097,683.31 and 916,459.06

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Solution

The fourth proportional to 1,520,032.18, 2,097,683.31 and 916,459.06 is: 1,264,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,032.18 : 2,097,683.31 = 916,459.06 : x
  2. Step 2: Convert to fraction form
    1,520,032.18/2,097,683.31 = 916,459.06/x
  3. Step 3: Cross multiply
    1,520,032.18x = 2,097,683.31 × 916,459.06
  4. Step 4: Simplify right side
    1,520,032.18x = 1,922,440,874,460.29
  5. Step 5: Solve for x
    x = 1,922,440,874,460.29/1,520,032.18
  6. Step 6: Final answer
    x = 1,264,736.96

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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.