Home / 1,173,002.40-1,759,330.80-331,639.20

Finding the Fourth Proportional to 1,173,002.40, 1,759,330.80 and 331,639.20

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Solution

The fourth proportional to 1,173,002.40, 1,759,330.80 and 331,639.20 is: 497,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,002.40 : 1,759,330.80 = 331,639.20 : x
  2. Step 2: Convert to fraction form
    1,173,002.40/1,759,330.80 = 331,639.20/x
  3. Step 3: Cross multiply
    1,173,002.40x = 1,759,330.80 × 331,639.20
  4. Step 4: Simplify right side
    1,173,002.40x = 583,463,059,047.36
  5. Step 5: Solve for x
    x = 583,463,059,047.36/1,173,002.40
  6. Step 6: Final answer
    x = 497,409.94

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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.