Home / 1,506,478.84-2,078,933.70-818,145.88

Finding the Fourth Proportional to 1,506,478.84, 2,078,933.70 and 818,145.88

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Solution

The fourth proportional to 1,506,478.84, 2,078,933.70 and 818,145.88 is: 1,129,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,506,478.84 : 2,078,933.70 = 818,145.88 : x
  2. Step 2: Convert to fraction form
    1,506,478.84/2,078,933.70 = 818,145.88/x
  3. Step 3: Cross multiply
    1,506,478.84x = 2,078,933.70 × 818,145.88
  4. Step 4: Simplify right side
    1,506,478.84x = 1,700,871,041,448.16
  5. Step 5: Solve for x
    x = 1,700,871,041,448.16/1,506,478.84
  6. Step 6: Final answer
    x = 1,129,037.46

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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.