Home / 1,298,946.24-1,791,381.24-1,081,875.60

Finding the Fourth Proportional to 1,298,946.24, 1,791,381.24 and 1,081,875.60

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Solution

The fourth proportional to 1,298,946.24, 1,791,381.24 and 1,081,875.60 is: 1,492,018.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,946.24 : 1,791,381.24 = 1,081,875.60 : x
  2. Step 2: Convert to fraction form
    1,298,946.24/1,791,381.24 = 1,081,875.60/x
  3. Step 3: Cross multiply
    1,298,946.24x = 1,791,381.24 × 1,081,875.60
  4. Step 4: Simplify right side
    1,298,946.24x = 1,938,051,653,853.74
  5. Step 5: Solve for x
    x = 1,938,051,653,853.74/1,298,946.24
  6. Step 6: Final answer
    x = 1,492,018.37

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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.