Home / 1,482,447.71-2,045,779.61-803,384.21

Finding the Fourth Proportional to 1,482,447.71, 2,045,779.61 and 803,384.21

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Solution

The fourth proportional to 1,482,447.71, 2,045,779.61 and 803,384.21 is: 1,108,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,482,447.71 : 2,045,779.61 = 803,384.21 : x
  2. Step 2: Convert to fraction form
    1,482,447.71/2,045,779.61 = 803,384.21/x
  3. Step 3: Cross multiply
    1,482,447.71x = 2,045,779.61 × 803,384.21
  4. Step 4: Simplify right side
    1,482,447.71x = 1,643,547,021,568.14
  5. Step 5: Solve for x
    x = 1,643,547,021,568.14/1,482,447.71
  6. Step 6: Final answer
    x = 1,108,671.16

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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.