Home / 1,709,893-2,360,594.10-1,280,018.44

Finding the Fourth Proportional to 1,709,893, 2,360,594.10 and 1,280,018.44

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Solution

The fourth proportional to 1,709,893, 2,360,594.10 and 1,280,018.44 is: 1,767,130.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709,893 : 2,360,594.10 = 1,280,018.44 : x
  2. Step 2: Convert to fraction form
    1,709,893/2,360,594.10 = 1,280,018.44/x
  3. Step 3: Cross multiply
    1,709,893x = 2,360,594.10 × 1,280,018.44
  4. Step 4: Simplify right side
    1,709,893x = 3,021,603,977,355.20
  5. Step 5: Solve for x
    x = 3,021,603,977,355.20/1,709,893
  6. Step 6: Final answer
    x = 1,767,130.44

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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.