Home / 1,139,557.52-1,572,491.40-630,132.32

Finding the Fourth Proportional to 1,139,557.52, 1,572,491.40 and 630,132.32

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Solution

The fourth proportional to 1,139,557.52, 1,572,491.40 and 630,132.32 is: 869,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,557.52 : 1,572,491.40 = 630,132.32 : x
  2. Step 2: Convert to fraction form
    1,139,557.52/1,572,491.40 = 630,132.32/x
  3. Step 3: Cross multiply
    1,139,557.52x = 1,572,491.40 × 630,132.32
  4. Step 4: Simplify right side
    1,139,557.52x = 990,877,654,062.05
  5. Step 5: Solve for x
    x = 990,877,654,062.05/1,139,557.52
  6. Step 6: Final answer
    x = 869,528.42

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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.