Home / 1,021,038.84-1,531,740.66-347,084.74

Finding the Fourth Proportional to 1,021,038.84, 1,531,740.66 and 347,084.74

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Solution

The fourth proportional to 1,021,038.84, 1,531,740.66 and 347,084.74 is: 520,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,038.84 : 1,531,740.66 = 347,084.74 : x
  2. Step 2: Convert to fraction form
    1,021,038.84/1,531,740.66 = 347,084.74/x
  3. Step 3: Cross multiply
    1,021,038.84x = 1,531,740.66 × 347,084.74
  4. Step 4: Simplify right side
    1,021,038.84x = 531,643,808,723.53
  5. Step 5: Solve for x
    x = 531,643,808,723.53/1,021,038.84
  6. Step 6: Final answer
    x = 520,689.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.