Home / 1,136,419.80-1,706,472.90-823,075.80

Finding the Fourth Proportional to 1,136,419.80, 1,706,472.90 and 823,075.80

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Solution

The fourth proportional to 1,136,419.80, 1,706,472.90 and 823,075.80 is: 1,235,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,419.80 : 1,706,472.90 = 823,075.80 : x
  2. Step 2: Convert to fraction form
    1,136,419.80/1,706,472.90 = 823,075.80/x
  3. Step 3: Cross multiply
    1,136,419.80x = 1,706,472.90 × 823,075.80
  4. Step 4: Simplify right side
    1,136,419.80x = 1,404,556,547,345.82
  5. Step 5: Solve for x
    x = 1,404,556,547,345.82/1,136,419.80
  6. Step 6: Final answer
    x = 1,235,948.68

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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.