Home / 1,289,567.58-1,779,590.43-716,595.72

Finding the Fourth Proportional to 1,289,567.58, 1,779,590.43 and 716,595.72

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Solution

The fourth proportional to 1,289,567.58, 1,779,590.43 and 716,595.72 is: 988,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,567.58 : 1,779,590.43 = 716,595.72 : x
  2. Step 2: Convert to fraction form
    1,289,567.58/1,779,590.43 = 716,595.72/x
  3. Step 3: Cross multiply
    1,289,567.58x = 1,779,590.43 × 716,595.72
  4. Step 4: Simplify right side
    1,289,567.58x = 1,275,246,885,490.96
  5. Step 5: Solve for x
    x = 1,275,246,885,490.96/1,289,567.58
  6. Step 6: Final answer
    x = 988,894.96

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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.