Home / 1,210,643.40-1,815,965.10-832,729.80

Finding the Fourth Proportional to 1,210,643.40, 1,815,965.10 and 832,729.80

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Solution

The fourth proportional to 1,210,643.40, 1,815,965.10 and 832,729.80 is: 1,249,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,643.40 : 1,815,965.10 = 832,729.80 : x
  2. Step 2: Convert to fraction form
    1,210,643.40/1,815,965.10 = 832,729.80/x
  3. Step 3: Cross multiply
    1,210,643.40x = 1,815,965.10 × 832,729.80
  4. Step 4: Simplify right side
    1,210,643.40x = 1,512,208,254,529.98
  5. Step 5: Solve for x
    x = 1,512,208,254,529.98/1,210,643.40
  6. Step 6: Final answer
    x = 1,249,094.70

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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.