Home / 1,121,068.95-1,547,125.55-631,207.13

Finding the Fourth Proportional to 1,121,068.95, 1,547,125.55 and 631,207.13

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Solution

The fourth proportional to 1,121,068.95, 1,547,125.55 and 631,207.13 is: 871,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,068.95 : 1,547,125.55 = 631,207.13 : x
  2. Step 2: Convert to fraction form
    1,121,068.95/1,547,125.55 = 631,207.13/x
  3. Step 3: Cross multiply
    1,121,068.95x = 1,547,125.55 × 631,207.13
  4. Step 4: Simplify right side
    1,121,068.95x = 976,556,678,165.17
  5. Step 5: Solve for x
    x = 976,556,678,165.17/1,121,068.95
  6. Step 6: Final answer
    x = 871,094.22

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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.