Home / 1,665,214.18-2,298,051.29-1,020,509.87

Finding the Fourth Proportional to 1,665,214.18, 2,298,051.29 and 1,020,509.87

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Solution

The fourth proportional to 1,665,214.18, 2,298,051.29 and 1,020,509.87 is: 1,408,337.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,214.18 : 2,298,051.29 = 1,020,509.87 : x
  2. Step 2: Convert to fraction form
    1,665,214.18/2,298,051.29 = 1,020,509.87/x
  3. Step 3: Cross multiply
    1,665,214.18x = 2,298,051.29 × 1,020,509.87
  4. Step 4: Simplify right side
    1,665,214.18x = 2,345,184,014,272.25
  5. Step 5: Solve for x
    x = 2,345,184,014,272.25/1,665,214.18
  6. Step 6: Final answer
    x = 1,408,337.77

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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.