Home / 1,488,952.40-2,233,428.60-424,029.20

Finding the Fourth Proportional to 1,488,952.40, 2,233,428.60 and 424,029.20

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Solution

The fourth proportional to 1,488,952.40, 2,233,428.60 and 424,029.20 is: 636,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,952.40 : 2,233,428.60 = 424,029.20 : x
  2. Step 2: Convert to fraction form
    1,488,952.40/2,233,428.60 = 424,029.20/x
  3. Step 3: Cross multiply
    1,488,952.40x = 2,233,428.60 × 424,029.20
  4. Step 4: Simplify right side
    1,488,952.40x = 947,038,942,515.12
  5. Step 5: Solve for x
    x = 947,038,942,515.12/1,488,952.40
  6. Step 6: Final answer
    x = 636,043.80

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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.