Home / 1,011,692.80-1,517,101.80-506,058.40

Finding the Fourth Proportional to 1,011,692.80, 1,517,101.80 and 506,058.40

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Solution

The fourth proportional to 1,011,692.80, 1,517,101.80 and 506,058.40 is: 758,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,692.80 : 1,517,101.80 = 506,058.40 : x
  2. Step 2: Convert to fraction form
    1,011,692.80/1,517,101.80 = 506,058.40/x
  3. Step 3: Cross multiply
    1,011,692.80x = 1,517,101.80 × 506,058.40
  4. Step 4: Simplify right side
    1,011,692.80x = 767,742,109,545.12
  5. Step 5: Solve for x
    x = 767,742,109,545.12/1,011,692.80
  6. Step 6: Final answer
    x = 758,868.81

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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.