Home / 1,323,504.79-1,984,289.32-424,434.76

Finding the Fourth Proportional to 1,323,504.79, 1,984,289.32 and 424,434.76

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Solution

The fourth proportional to 1,323,504.79, 1,984,289.32 and 424,434.76 is: 636,341.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,504.79 : 1,984,289.32 = 424,434.76 : x
  2. Step 2: Convert to fraction form
    1,323,504.79/1,984,289.32 = 424,434.76/x
  3. Step 3: Cross multiply
    1,323,504.79x = 1,984,289.32 × 424,434.76
  4. Step 4: Simplify right side
    1,323,504.79x = 842,201,350,322.23
  5. Step 5: Solve for x
    x = 842,201,350,322.23/1,323,504.79
  6. Step 6: Final answer
    x = 636,341.75

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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.