Home / 1,547,810.60-2,321,715.90-425,877.80

Finding the Fourth Proportional to 1,547,810.60, 2,321,715.90 and 425,877.80

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Solution

The fourth proportional to 1,547,810.60, 2,321,715.90 and 425,877.80 is: 638,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,810.60 : 2,321,715.90 = 425,877.80 : x
  2. Step 2: Convert to fraction form
    1,547,810.60/2,321,715.90 = 425,877.80/x
  3. Step 3: Cross multiply
    1,547,810.60x = 2,321,715.90 × 425,877.80
  4. Step 4: Simplify right side
    1,547,810.60x = 988,767,259,717.02
  5. Step 5: Solve for x
    x = 988,767,259,717.02/1,547,810.60
  6. Step 6: Final answer
    x = 638,816.70

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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.