Home / 1,337,054.60-2,005,366.86-390,203.40

Finding the Fourth Proportional to 1,337,054.60, 2,005,366.86 and 390,203.40

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Solution

The fourth proportional to 1,337,054.60, 2,005,366.86 and 390,203.40 is: 585,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,054.60 : 2,005,366.86 = 390,203.40 : x
  2. Step 2: Convert to fraction form
    1,337,054.60/2,005,366.86 = 390,203.40/x
  3. Step 3: Cross multiply
    1,337,054.60x = 2,005,366.86 × 390,203.40
  4. Step 4: Simplify right side
    1,337,054.60x = 782,500,967,019.32
  5. Step 5: Solve for x
    x = 782,500,967,019.32/1,337,054.60
  6. Step 6: Final answer
    x = 585,242.34

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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.