Home / 1,036,681.15-1,555,021.73-977,632.15

Finding the Fourth Proportional to 1,036,681.15, 1,555,021.73 and 977,632.15

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Solution

The fourth proportional to 1,036,681.15, 1,555,021.73 and 977,632.15 is: 1,466,448.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,681.15 : 1,555,021.73 = 977,632.15 : x
  2. Step 2: Convert to fraction form
    1,036,681.15/1,555,021.73 = 977,632.15/x
  3. Step 3: Cross multiply
    1,036,681.15x = 1,555,021.73 × 977,632.15
  4. Step 4: Simplify right side
    1,036,681.15x = 1,520,239,237,196.62
  5. Step 5: Solve for x
    x = 1,520,239,237,196.62/1,036,681.15
  6. Step 6: Final answer
    x = 1,466,448.23

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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.