Home / 1,432,888-1,977,385.38-788,294.36

Finding the Fourth Proportional to 1,432,888, 1,977,385.38 and 788,294.36

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Solution

The fourth proportional to 1,432,888, 1,977,385.38 and 788,294.36 is: 1,087,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,888 : 1,977,385.38 = 788,294.36 : x
  2. Step 2: Convert to fraction form
    1,432,888/1,977,385.38 = 788,294.36/x
  3. Step 3: Cross multiply
    1,432,888x = 1,977,385.38 × 788,294.36
  4. Step 4: Simplify right side
    1,432,888x = 1,558,761,742,600.46
  5. Step 5: Solve for x
    x = 1,558,761,742,600.46/1,432,888
  6. Step 6: Final answer
    x = 1,087,846.18

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1.5x scale

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.