Home / 1,429,971.12-2,146,186.80-830,098.89

Finding the Fourth Proportional to 1,429,971.12, 2,146,186.80 and 830,098.89

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Solution

The fourth proportional to 1,429,971.12, 2,146,186.80 and 830,098.89 is: 1,245,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,429,971.12 : 2,146,186.80 = 830,098.89 : x
  2. Step 2: Convert to fraction form
    1,429,971.12/2,146,186.80 = 830,098.89/x
  3. Step 3: Cross multiply
    1,429,971.12x = 2,146,186.80 × 830,098.89
  4. Step 4: Simplify right side
    1,429,971.12x = 1,781,547,280,412.65
  5. Step 5: Solve for x
    x = 1,781,547,280,412.65/1,429,971.12
  6. Step 6: Final answer
    x = 1,245,862.42

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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.