Home / 1,005,982.48-1,388,267.40-553,281.04

Finding the Fourth Proportional to 1,005,982.48, 1,388,267.40 and 553,281.04

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Solution

The fourth proportional to 1,005,982.48, 1,388,267.40 and 553,281.04 is: 763,534.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,982.48 : 1,388,267.40 = 553,281.04 : x
  2. Step 2: Convert to fraction form
    1,005,982.48/1,388,267.40 = 553,281.04/x
  3. Step 3: Cross multiply
    1,005,982.48x = 1,388,267.40 × 553,281.04
  4. Step 4: Simplify right side
    1,005,982.48x = 768,102,030,870.10
  5. Step 5: Solve for x
    x = 768,102,030,870.10/1,005,982.48
  6. Step 6: Final answer
    x = 763,534.20

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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.