Home / 1,761,981-2,431,327.50-1,036,669.20

Finding the Fourth Proportional to 1,761,981, 2,431,327.50 and 1,036,669.20

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Solution

The fourth proportional to 1,761,981, 2,431,327.50 and 1,036,669.20 is: 1,430,482.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,981 : 2,431,327.50 = 1,036,669.20 : x
  2. Step 2: Convert to fraction form
    1,761,981/2,431,327.50 = 1,036,669.20/x
  3. Step 3: Cross multiply
    1,761,981x = 2,431,327.50 × 1,036,669.20
  4. Step 4: Simplify right side
    1,761,981x = 2,520,482,334,363
  5. Step 5: Solve for x
    x = 2,520,482,334,363/1,761,981
  6. Step 6: Final answer
    x = 1,430,482.13

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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.