Home / 1,069,463.61-1,604,194.71-429,767.48

Finding the Fourth Proportional to 1,069,463.61, 1,604,194.71 and 429,767.48

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Solution

The fourth proportional to 1,069,463.61, 1,604,194.71 and 429,767.48 is: 644,650.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,463.61 : 1,604,194.71 = 429,767.48 : x
  2. Step 2: Convert to fraction form
    1,069,463.61/1,604,194.71 = 429,767.48/x
  3. Step 3: Cross multiply
    1,069,463.61x = 1,604,194.71 × 429,767.48
  4. Step 4: Simplify right side
    1,069,463.61x = 689,430,709,925.06
  5. Step 5: Solve for x
    x = 689,430,709,925.06/1,069,463.61
  6. Step 6: Final answer
    x = 644,650.93

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Double scale
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1.5x scale

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.