Home / 1,127,948.02-1,556,940.48-1,008,373.80

Finding the Fourth Proportional to 1,127,948.02, 1,556,940.48 and 1,008,373.80

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Solution

The fourth proportional to 1,127,948.02, 1,556,940.48 and 1,008,373.80 is: 1,391,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,948.02 : 1,556,940.48 = 1,008,373.80 : x
  2. Step 2: Convert to fraction form
    1,127,948.02/1,556,940.48 = 1,008,373.80/x
  3. Step 3: Cross multiply
    1,127,948.02x = 1,556,940.48 × 1,008,373.80
  4. Step 4: Simplify right side
    1,127,948.02x = 1,569,977,988,191.42
  5. Step 5: Solve for x
    x = 1,569,977,988,191.42/1,127,948.02
  6. Step 6: Final answer
    x = 1,391,888.60

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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.