Home / 1,323,341.02-1,984,823.86-424,666.48

Finding the Fourth Proportional to 1,323,341.02, 1,984,823.86 and 424,666.48

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Solution

The fourth proportional to 1,323,341.02, 1,984,823.86 and 424,666.48 is: 636,939.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,341.02 : 1,984,823.86 = 424,666.48 : x
  2. Step 2: Convert to fraction form
    1,323,341.02/1,984,823.86 = 424,666.48/x
  3. Step 3: Cross multiply
    1,323,341.02x = 1,984,823.86 × 424,666.48
  4. Step 4: Simplify right side
    1,323,341.02x = 842,888,162,046.21
  5. Step 5: Solve for x
    x = 842,888,162,046.21/1,323,341.02
  6. Step 6: Final answer
    x = 636,939.50

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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.