Home / 1,005,148.04-1,387,118.12-546,271.70

Finding the Fourth Proportional to 1,005,148.04, 1,387,118.12 and 546,271.70

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Solution

The fourth proportional to 1,005,148.04, 1,387,118.12 and 546,271.70 is: 753,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,148.04 : 1,387,118.12 = 546,271.70 : x
  2. Step 2: Convert to fraction form
    1,005,148.04/1,387,118.12 = 546,271.70/x
  3. Step 3: Cross multiply
    1,005,148.04x = 1,387,118.12 × 546,271.70
  4. Step 4: Simplify right side
    1,005,148.04x = 757,743,363,846.26
  5. Step 5: Solve for x
    x = 757,743,363,846.26/1,005,148.04
  6. Step 6: Final answer
    x = 753,862.45

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Double scale
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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.