Home / 1,289,376.23-1,779,235.01-745,547.24

Finding the Fourth Proportional to 1,289,376.23, 1,779,235.01 and 745,547.24

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Solution

The fourth proportional to 1,289,376.23, 1,779,235.01 and 745,547.24 is: 1,028,794.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,376.23 : 1,779,235.01 = 745,547.24 : x
  2. Step 2: Convert to fraction form
    1,289,376.23/1,779,235.01 = 745,547.24/x
  3. Step 3: Cross multiply
    1,289,376.23x = 1,779,235.01 × 745,547.24
  4. Step 4: Simplify right side
    1,289,376.23x = 1,326,503,748,718.53
  5. Step 5: Solve for x
    x = 1,326,503,748,718.53/1,289,376.23
  6. Step 6: Final answer
    x = 1,028,794.95

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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.