Home / 1,289,646.58-1,779,570.96-745,700.05

Finding the Fourth Proportional to 1,289,646.58, 1,779,570.96 and 745,700.05

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Solution

The fourth proportional to 1,289,646.58, 1,779,570.96 and 745,700.05 is: 1,028,984.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,646.58 : 1,779,570.96 = 745,700.05 : x
  2. Step 2: Convert to fraction form
    1,289,646.58/1,779,570.96 = 745,700.05/x
  3. Step 3: Cross multiply
    1,289,646.58x = 1,779,570.96 × 745,700.05
  4. Step 4: Simplify right side
    1,289,646.58x = 1,327,026,153,850.55
  5. Step 5: Solve for x
    x = 1,327,026,153,850.55/1,289,646.58
  6. Step 6: Final answer
    x = 1,028,984.35

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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.