Home / 1,138,916.95-1,572,017.27-708,941.81

Finding the Fourth Proportional to 1,138,916.95, 1,572,017.27 and 708,941.81

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Solution

The fourth proportional to 1,138,916.95, 1,572,017.27 and 708,941.81 is: 978,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,916.95 : 1,572,017.27 = 708,941.81 : x
  2. Step 2: Convert to fraction form
    1,138,916.95/1,572,017.27 = 708,941.81/x
  3. Step 3: Cross multiply
    1,138,916.95x = 1,572,017.27 × 708,941.81
  4. Step 4: Simplify right side
    1,138,916.95x = 1,114,468,769,130.39
  5. Step 5: Solve for x
    x = 1,114,468,769,130.39/1,138,916.95
  6. Step 6: Final answer
    x = 978,533.84

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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.