Home / 1,316,482.56-1,974,742.20-463,581.72

Finding the Fourth Proportional to 1,316,482.56, 1,974,742.20 and 463,581.72

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Solution

The fourth proportional to 1,316,482.56, 1,974,742.20 and 463,581.72 is: 695,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,482.56 : 1,974,742.20 = 463,581.72 : x
  2. Step 2: Convert to fraction form
    1,316,482.56/1,974,742.20 = 463,581.72/x
  3. Step 3: Cross multiply
    1,316,482.56x = 1,974,742.20 × 463,581.72
  4. Step 4: Simplify right side
    1,316,482.56x = 915,454,385,632.58
  5. Step 5: Solve for x
    x = 915,454,385,632.58/1,316,482.56
  6. Step 6: Final answer
    x = 695,379.05

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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.