Home / 1,580,398.95-2,180,956.08-855,246.51

Finding the Fourth Proportional to 1,580,398.95, 2,180,956.08 and 855,246.51

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Solution

The fourth proportional to 1,580,398.95, 2,180,956.08 and 855,246.51 is: 1,180,243.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,398.95 : 2,180,956.08 = 855,246.51 : x
  2. Step 2: Convert to fraction form
    1,580,398.95/2,180,956.08 = 855,246.51/x
  3. Step 3: Cross multiply
    1,580,398.95x = 2,180,956.08 × 855,246.51
  4. Step 4: Simplify right side
    1,580,398.95x = 1,865,255,075,883.28
  5. Step 5: Solve for x
    x = 1,865,255,075,883.28/1,580,398.95
  6. Step 6: Final answer
    x = 1,180,243.18

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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.