Home / 1,252,130.40-1,878,268.30-353,496.91

Finding the Fourth Proportional to 1,252,130.40, 1,878,268.30 and 353,496.91

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Solution

The fourth proportional to 1,252,130.40, 1,878,268.30 and 353,496.91 is: 530,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,130.40 : 1,878,268.30 = 353,496.91 : x
  2. Step 2: Convert to fraction form
    1,252,130.40/1,878,268.30 = 353,496.91/x
  3. Step 3: Cross multiply
    1,252,130.40x = 1,878,268.30 × 353,496.91
  4. Step 4: Simplify right side
    1,252,130.40x = 663,962,038,143.29
  5. Step 5: Solve for x
    x = 663,962,038,143.29/1,252,130.40
  6. Step 6: Final answer
    x = 530,265.89

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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.