Home / 1,495,163.40-2,243,088.54-430,214.28

Finding the Fourth Proportional to 1,495,163.40, 2,243,088.54 and 430,214.28

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Solution

The fourth proportional to 1,495,163.40, 2,243,088.54 and 430,214.28 is: 645,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,495,163.40 : 2,243,088.54 = 430,214.28 : x
  2. Step 2: Convert to fraction form
    1,495,163.40/2,243,088.54 = 430,214.28/x
  3. Step 3: Cross multiply
    1,495,163.40x = 2,243,088.54 × 430,214.28
  4. Step 4: Simplify right side
    1,495,163.40x = 965,008,721,212.35
  5. Step 5: Solve for x
    x = 965,008,721,212.35/1,495,163.40
  6. Step 6: Final answer
    x = 645,420.24

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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.