Home / 1,323,495.72-1,826,586.24-779,603.40

Finding the Fourth Proportional to 1,323,495.72, 1,826,586.24 and 779,603.40

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Solution

The fourth proportional to 1,323,495.72, 1,826,586.24 and 779,603.40 is: 1,075,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,495.72 : 1,826,586.24 = 779,603.40 : x
  2. Step 2: Convert to fraction form
    1,323,495.72/1,826,586.24 = 779,603.40/x
  3. Step 3: Cross multiply
    1,323,495.72x = 1,826,586.24 × 779,603.40
  4. Step 4: Simplify right side
    1,323,495.72x = 1,424,012,843,097.22
  5. Step 5: Solve for x
    x = 1,424,012,843,097.22/1,323,495.72
  6. Step 6: Final answer
    x = 1,075,948.20

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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.