Home / 1,036,888.05-1,556,316.23-638,307.30

Finding the Fourth Proportional to 1,036,888.05, 1,556,316.23 and 638,307.30

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Solution

The fourth proportional to 1,036,888.05, 1,556,316.23 and 638,307.30 is: 958,066.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,888.05 : 1,556,316.23 = 638,307.30 : x
  2. Step 2: Convert to fraction form
    1,036,888.05/1,556,316.23 = 638,307.30/x
  3. Step 3: Cross multiply
    1,036,888.05x = 1,556,316.23 × 638,307.30
  4. Step 4: Simplify right side
    1,036,888.05x = 993,408,010,717.48
  5. Step 5: Solve for x
    x = 993,408,010,717.48/1,036,888.05
  6. Step 6: Final answer
    x = 958,066.79

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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.