Home / 1,098,036.40-1,647,054.60-424,148.80

Finding the Fourth Proportional to 1,098,036.40, 1,647,054.60 and 424,148.80

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Solution

The fourth proportional to 1,098,036.40, 1,647,054.60 and 424,148.80 is: 636,223.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,036.40 : 1,647,054.60 = 424,148.80 : x
  2. Step 2: Convert to fraction form
    1,098,036.40/1,647,054.60 = 424,148.80/x
  3. Step 3: Cross multiply
    1,098,036.40x = 1,647,054.60 × 424,148.80
  4. Step 4: Simplify right side
    1,098,036.40x = 698,596,232,124.48
  5. Step 5: Solve for x
    x = 698,596,232,124.48/1,098,036.40
  6. Step 6: Final answer
    x = 636,223.20

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1.5x scale

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.