Home / 1,020,843-1,531,327.68-310,923.36

Finding the Fourth Proportional to 1,020,843, 1,531,327.68 and 310,923.36

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Solution

The fourth proportional to 1,020,843, 1,531,327.68 and 310,923.36 is: 466,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,843 : 1,531,327.68 = 310,923.36 : x
  2. Step 2: Convert to fraction form
    1,020,843/1,531,327.68 = 310,923.36/x
  3. Step 3: Cross multiply
    1,020,843x = 1,531,327.68 × 310,923.36
  4. Step 4: Simplify right side
    1,020,843x = 476,125,547,526.61
  5. Step 5: Solve for x
    x = 476,125,547,526.61/1,020,843
  6. Step 6: Final answer
    x = 466,404.28

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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.