Home / 1,475,385.14-2,036,011.46-830,813.06

Finding the Fourth Proportional to 1,475,385.14, 2,036,011.46 and 830,813.06

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Solution

The fourth proportional to 1,475,385.14, 2,036,011.46 and 830,813.06 is: 1,146,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,475,385.14 : 2,036,011.46 = 830,813.06 : x
  2. Step 2: Convert to fraction form
    1,475,385.14/2,036,011.46 = 830,813.06/x
  3. Step 3: Cross multiply
    1,475,385.14x = 2,036,011.46 × 830,813.06
  4. Step 4: Simplify right side
    1,475,385.14x = 1,691,544,911,277.67
  5. Step 5: Solve for x
    x = 1,691,544,911,277.67/1,475,385.14
  6. Step 6: Final answer
    x = 1,146,510.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.