Home / 1,139,555.52-1,572,488.64-630,130.32

Finding the Fourth Proportional to 1,139,555.52, 1,572,488.64 and 630,130.32

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Solution

The fourth proportional to 1,139,555.52, 1,572,488.64 and 630,130.32 is: 869,525.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,555.52 : 1,572,488.64 = 630,130.32 : x
  2. Step 2: Convert to fraction form
    1,139,555.52/1,572,488.64 = 630,130.32/x
  3. Step 3: Cross multiply
    1,139,555.52x = 1,572,488.64 × 630,130.32
  4. Step 4: Simplify right side
    1,139,555.52x = 990,872,769,919.57
  5. Step 5: Solve for x
    x = 990,872,769,919.57/1,139,555.52
  6. Step 6: Final answer
    x = 869,525.66

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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.