Home / 1,025,341.20-1,538,084.70-315,368.10

Finding the Fourth Proportional to 1,025,341.20, 1,538,084.70 and 315,368.10

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Solution

The fourth proportional to 1,025,341.20, 1,538,084.70 and 315,368.10 is: 473,074.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,341.20 : 1,538,084.70 = 315,368.10 : x
  2. Step 2: Convert to fraction form
    1,025,341.20/1,538,084.70 = 315,368.10/x
  3. Step 3: Cross multiply
    1,025,341.20x = 1,538,084.70 × 315,368.10
  4. Step 4: Simplify right side
    1,025,341.20x = 485,062,849,478.07
  5. Step 5: Solve for x
    x = 485,062,849,478.07/1,025,341.20
  6. Step 6: Final answer
    x = 473,074.57

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1.5x scale

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.