Home / 1,035,139.40-1,553,292.30-403,971.20

Finding the Fourth Proportional to 1,035,139.40, 1,553,292.30 and 403,971.20

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Solution

The fourth proportional to 1,035,139.40, 1,553,292.30 and 403,971.20 is: 606,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,139.40 : 1,553,292.30 = 403,971.20 : x
  2. Step 2: Convert to fraction form
    1,035,139.40/1,553,292.30 = 403,971.20/x
  3. Step 3: Cross multiply
    1,035,139.40x = 1,553,292.30 × 403,971.20
  4. Step 4: Simplify right side
    1,035,139.40x = 627,485,354,381.76
  5. Step 5: Solve for x
    x = 627,485,354,381.76/1,035,139.40
  6. Step 6: Final answer
    x = 606,184.40

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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.