Home / 991,926.02-1,487,328.69-907,289.06

Finding the Fourth Proportional to 991,926.02, 1,487,328.69 and 907,289.06

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Solution

The fourth proportional to 991,926.02, 1,487,328.69 and 907,289.06 is: 1,360,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,926.02 : 1,487,328.69 = 907,289.06 : x
  2. Step 2: Convert to fraction form
    991,926.02/1,487,328.69 = 907,289.06/x
  3. Step 3: Cross multiply
    991,926.02x = 1,487,328.69 × 907,289.06
  4. Step 4: Simplify right side
    991,926.02x = 1,349,437,049,061.13
  5. Step 5: Solve for x
    x = 1,349,437,049,061.13/991,926.02
  6. Step 6: Final answer
    x = 1,360,421.06

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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.