Home / 1,104,785.40-1,656,011.70-430,606.20

Finding the Fourth Proportional to 1,104,785.40, 1,656,011.70 and 430,606.20

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Solution

The fourth proportional to 1,104,785.40, 1,656,011.70 and 430,606.20 is: 645,454.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,785.40 : 1,656,011.70 = 430,606.20 : x
  2. Step 2: Convert to fraction form
    1,104,785.40/1,656,011.70 = 430,606.20/x
  3. Step 3: Cross multiply
    1,104,785.40x = 1,656,011.70 × 430,606.20
  4. Step 4: Simplify right side
    1,104,785.40x = 713,088,905,292.54
  5. Step 5: Solve for x
    x = 713,088,905,292.54/1,104,785.40
  6. Step 6: Final answer
    x = 645,454.68

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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.