Home / 972,030.40-1,458,045.60-912,981.40

Finding the Fourth Proportional to 972,030.40, 1,458,045.60 and 912,981.40

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Solution

The fourth proportional to 972,030.40, 1,458,045.60 and 912,981.40 is: 1,369,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,030.40 : 1,458,045.60 = 912,981.40 : x
  2. Step 2: Convert to fraction form
    972,030.40/1,458,045.60 = 912,981.40/x
  3. Step 3: Cross multiply
    972,030.40x = 1,458,045.60 × 912,981.40
  4. Step 4: Simplify right side
    972,030.40x = 1,331,168,513,151.84
  5. Step 5: Solve for x
    x = 1,331,168,513,151.84/972,030.40
  6. Step 6: Final answer
    x = 1,369,472.10

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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.