Home / 1,018,427.00-1,527,642.54-378,870.98

Finding the Fourth Proportional to 1,018,427.00, 1,527,642.54 and 378,870.98

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Solution

The fourth proportional to 1,018,427.00, 1,527,642.54 and 378,870.98 is: 568,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,427.00 : 1,527,642.54 = 378,870.98 : x
  2. Step 2: Convert to fraction form
    1,018,427.00/1,527,642.54 = 378,870.98/x
  3. Step 3: Cross multiply
    1,018,427.00x = 1,527,642.54 × 378,870.98
  4. Step 4: Simplify right side
    1,018,427.00x = 578,779,418,581.28
  5. Step 5: Solve for x
    x = 578,779,418,581.28/1,018,427.00
  6. Step 6: Final answer
    x = 568,307.22

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Double scale
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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.