Home / 1,502,090.15-2,072,881.98-813,779.55

Finding the Fourth Proportional to 1,502,090.15, 2,072,881.98 and 813,779.55

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Solution

The fourth proportional to 1,502,090.15, 2,072,881.98 and 813,779.55 is: 1,123,014.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,090.15 : 2,072,881.98 = 813,779.55 : x
  2. Step 2: Convert to fraction form
    1,502,090.15/2,072,881.98 = 813,779.55/x
  3. Step 3: Cross multiply
    1,502,090.15x = 2,072,881.98 × 813,779.55
  4. Step 4: Simplify right side
    1,502,090.15x = 1,686,868,964,887.51
  5. Step 5: Solve for x
    x = 1,686,868,964,887.51/1,502,090.15
  6. Step 6: Final answer
    x = 1,123,014.47

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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.