Home / 1,139,565.52-1,572,502.44-630,140.32

Finding the Fourth Proportional to 1,139,565.52, 1,572,502.44 and 630,140.32

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Solution

The fourth proportional to 1,139,565.52, 1,572,502.44 and 630,140.32 is: 869,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,565.52 : 1,572,502.44 = 630,140.32 : x
  2. Step 2: Convert to fraction form
    1,139,565.52/1,572,502.44 = 630,140.32/x
  3. Step 3: Cross multiply
    1,139,565.52x = 1,572,502.44 × 630,140.32
  4. Step 4: Simplify right side
    1,139,565.52x = 990,897,190,742.38
  5. Step 5: Solve for x
    x = 990,897,190,742.38/1,139,565.52
  6. Step 6: Final answer
    x = 869,539.46

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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.