Home / 1,572,927-2,359,399.14-390,975

Finding the Fourth Proportional to 1,572,927, 2,359,399.14 and 390,975

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Solution

The fourth proportional to 1,572,927, 2,359,399.14 and 390,975 is: 586,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,927 : 2,359,399.14 = 390,975 : x
  2. Step 2: Convert to fraction form
    1,572,927/2,359,399.14 = 390,975/x
  3. Step 3: Cross multiply
    1,572,927x = 2,359,399.14 × 390,975
  4. Step 4: Simplify right side
    1,572,927x = 922,466,078,761.50
  5. Step 5: Solve for x
    x = 922,466,078,761.50/1,572,927
  6. Step 6: Final answer
    x = 586,464.65

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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.